Alliances as a cause of World War I. A representation of the Triple Alliance, with Italy as the junior partner. An alliance is a formal political, military or economic agreement between two or more nations. Military alliances usually contain promises of support between signatory nations, often in the event of war.The nature of this support is outlined in the alliance document. It can range from financial or logistic backing, like the supply of materials or weapons, to military mobilisation and a declaration of war.uropean leaders relied on alliances as a defensive measure, a deterrent to war and a political device. The 1700s in particular was a century of shifting alliances. During this period kings and princes regularly formed or re-formed alliances, as a means of furthering their own interests and isolating rivals.
gazebo average cost individual gazebo costs can vary based on design options local labor and material prices installation and other factors the cost of a gazebo can be anywhere from $ 200 for a canvas tent like structure to $ 12000 or more for a wooden metal or vinyl freestanding structure prefabricated gazebo kits might cost $ 2000 to $ 12000 hiring a carpenter to build a gazebo costs approximately $ 5000 to $ 6000
1 The average canopy is going to cost anywhere from $45 to $210. 2  This is for a canopy that is meant for temporary purposes. 3  Just like a tent, a canopy can be folded up and taken down within 15 minutes. 4  A 10 x 20 canopy designed for parties that includes sidewalls can cost $120 to $200. A gazebo canopy that has zipped up sides to protect those from winds and rain can cost anywhere from $80 to $200. 2  One that is made of metal can cost $200 to as much as $2,000. 3  For example, the Swiss Gear 10 x 10 Foot Smart Shade.