The direct cause of u. s. involvement in world war ii was

a)
germany's invasion of poland.

b)
the japanese attack on pearl harbor.

c)
sinking of the lusitania by germany.

d)
italian mistreatment of foreign nationals by the us.

history

The answer is choice B, the Japanese attack on pearl harbor.

While the German invasion of Poland is considered the start of World War II in Europe, the United States kept its neutrality for the next two years (even through the German air attack on Britain) until the Japanese attack on Pearl Harbor. The sinking of the passenger ship Lusitania was one of a number of issues that led to American involvement in World War I.

following type of cultural development caused people to want and buy new products on the market :

assuming that by westerners you mean americans. that they were mean and controlling and abusive to its peasants.

explanation: