Sagasta's party won the elections in Spain and on November 25, 1897, Spain granted Puerto Rico autonomy.
Muñoz Rivera served as Secretary of Grace, Justice and Government; and Chief of the Cabinet for the independent Government of Puerto Rico.
In December 1897, those who had participated in the Intentona de Yauco were granted clemency and released from jail.

Following the sinking of the battleship Maine in Havana, Cuba, the United States forwarded an ultimatum to Spain to withdraw from Cuba.
In response, Spain broke off diplomatic relations with the US and, April 23, 1898, Spain declared war.
On April 25, the U.S. Congress declared that a state of war between the United States and Spain had existed since April 20.
One of the United States' principal objectives in the Spanish–American War was to take control of Spanish colonies in the Atlantic: Puerto Rico and Cuba.

Mattei Lluberas and the Puerto Rican Commission in New York had been trying to convince President William McKinley to invade Puerto Rico for some time.
After the US took control of Cuba, McKinley approved the invasion of Puerto Rico.
A convoy of ships left Tampa, Florida and on July 21 another convoy departed from Guantánamo for a 4-day journey to Puerto Rico.
Major General Nelson A. Miles, Commanding General of the Army, landed his troops in the southern region of the island, picking Guánica, at the time a part of the municipality of Yauco, as his landing zone.
On July 31, 1898, Mattei Lluberas and his group arrived in Ponce aboard the USS St. Louis and were assigned to the headquarters of General Miles.
On August 13, the Puerto Rican Campaign came to an end.

Under the terms of the Treaty of Paris of 1898, ratified on December 10, 1898, the United States annexed Puerto Rico.
In 1904, Mattei Lluberas was elected as Mayor of Yauco representing the pro-statehood Republican Party of Puerto Rico.
Mattei Lluberas died on January 15, 1908.
Fidel Vélez returned to Sabana Grande, his native town, and lived there until 1950, when he died of natural causes at the age of 86.
Sagasta's party won the elections in Spain and on November 25, 1897, Spain granted Puerto Rico autonomy. Muñoz Rivera served as Secretary of Grace, Justice and Government; and Chief of the Cabinet for the independent Government of Puerto Rico. In December 1897, those who had participated in the Intentona de Yauco were granted clemency and released from jail.
Following the sinking of the battleship Maine in Havana, Cuba, the United States forwarded an ultimatum to Spain to withdraw from Cuba. In response, Spain broke off diplomatic relations with the US and, April 23, 1898, Spain declared war. On April 25, the U.S. Congress declared that a state of war between the United States and Spain had existed since April 20. One of the United States' principal objectives in the Spanish–American War was to take control of Spanish colonies in the Atlantic: Puerto Rico and Cuba.
Mattei Lluberas and the Puerto Rican Commission in New York had been trying to convince President William McKinley to invade Puerto Rico for some time. After the US took control of Cuba, McKinley approved the invasion of Puerto Rico. A convoy of ships left Tampa, Florida and on July 21 another convoy departed from Guantánamo for a 4-day journey to Puerto Rico. Major General Nelson A. Miles, Commanding General of the Army, landed his troops in the southern region of the island, picking Guánica, at the time a part of the municipality of Yauco, as his landing zone. On July 31, 1898, Mattei Lluberas and his group arrived in Ponce aboard the USS St. Louis and were assigned to the headquarters of General Miles. On August 13, the Puerto Rican Campaign came to an end.
Under the terms of the Treaty of Paris of 1898, ratified on December 10, 1898, the United States annexed Puerto Rico. In 1904, Mattei Lluberas was elected as Mayor of Yauco representing the pro-statehood Republican Party of Puerto Rico. Mattei Lluberas died on January 15, 1908. Fidel Vélez returned to Sabana Grande, his native town, and lived there until 1950, when he died of natural causes at the age of 86.
Intentona de Yauco