Nuclear bombing of the Japanese cities of Hiroshima and Nagasaki were two of the most striking and shocking moments in twentieth-century history. In addition to marking the end of World War II, the terrible events on Japanese soil impacted Japanese society, relations between countries, and the way the world's population came to view international conflicts. In the items below you understand the reasons of such impact on world geopolitics.
Imperialism is the growth or building if an empire. Some reasons for imperialism is for more land=money=power, refuling stations, military bases, other nations are doing it, and markets.
Good climate and ample food supply
The environment of the west coast was attractive for settlement because it had great weather and plentiful natural resources. The climate of the west coast was mild and it had dependable food that attracted the Native Americans