The two causes of World War 2 were:
(i) Conflict of ideology between Dictatorship and Democracy
(ii) Inefficiency of league of Nations.
Answer:
The Weastern Front is one of the main place of or for wars during the First World War. The war in August of 1914 the germany Army opened the Weastern Front by invading Luxembourg and Belgium.
Originally the United States only had atomic weapons, but that all changed when in 1949 the U.S.S.R (or the Soviet Union) set off an atomic bomb, which started the Nuclear Arms race.
Hope this helps, have a BLESSED day! :-)
<span>The arrival of Perry was both a blessing and a curse. Japan had been isolationist for a lengthy period of time and marooned sailors who washed up on the shores of Japan were often mistreated and seen as 'invaders'. Russia and the United States were in a competition for trade in the Pacific and Perry's arrival meant that the United States was seeking better treatment of marooned mariners and use of port facilities. This caused Japan to become more engaged and engaging in international commerce, gave the United States a foothold in a new trade relationship and caused Japan to find the need to modernize, economically, politically and culturally.</span>
Answer;
The European population nearly doubled, the Native American population dropped greatly, and millions of Africans were sent to the Americas as slaves; this best describes the changes brought to world populations as a result of the European colonization of the Americas.
Explanations;
The most significant development that occurred with respect to the exploration and colonization of the Americas is the destruction of the native cultures that existed on the land. The arrival of European also had a significant effect on the population numbers. This was as a result of diseases and warfare, millions of natives died, and also many more deaths were experienced when they tried to enslave them.