Austria-Hungary invaded serbia after the assassination of the arch duke Ferdinand. This started World War 1.
Aztec enemies allied with spanish
by providing arms and ammunition to Native Americans.
Answer:
Spain: Had explored Mexico, Cuba, The Florida Peninsula, and more or less southern half of the Western United States, including modern day California, Southern Nevada, Arizona, New Mexico and Texas.
France: French fur traders where great early explorers in North America. They mostly settled in Quebec, alongside the Saint Lawrence River, and explored surrounding region. They also explored the Midwest, following the Mississippi and Missouri Rivers, from the Great Lakes, to New Orleans, a city which the French founded.
England: the english settlers and explorers mostly concentrated on the Eastern United States and modern-day Ontario
The Warsaw Pact.
The Warsaw Pact was given that name because the agreement was signed in Warsaw, Poland. Established in 1955, the Warsaw Pact included the <span>Soviet Union, Albania, Poland, Romania, Hungary, East Germany, Czechoslovakia, and Bulgaria as members. The nations signing the treaty called on each other to defend of any member of the Pact that was threatened by enemy forces. The formation of the Warsaw Pact was in direct response to the formation of the North Atlantic Treaty Organization (NATO). </span>