where is the main famine effected continent in the world
Famine Some countries, particularly in sub-Saharan Africa, continue to have extreme cases of famine. Since 2010, Africa has been the most affected continent in the world. As of 2017, the United Nations has warned some 20 million are at risk in South Sudan, Somalia, Nigeria and Yemen. Agricultural conditions have been fluctuating more and more due to variations in weather, and the distribution of food has been affected by conflict. Most programmes now direct their aid towards Africa.
Columbian exchange Several plants native to the Americas have spread around the world, including potato, maize, tomato, and tobacco.[5] Before 1500, potatoes were not grown outside of South America. By the 1840s, Ireland was so dependent on the potato that the proximate cause of the Great Famine was a potato disease.[6] Potatoes eventually became an important staple of the diet in much of Europe, contributing to about 25% of the population growth in Afro-Eurasia between 1700 and 1900.[7] Many European rulers, including Frederick the Great of Prussia and Catherine the Great of Russia, encouraged the cultivation of the potato.[8]