Why did the u. s. avoid involvement in wwii until december 1941? why was the pearl harbor attack such a shock to the u. s? america the story of us?

Which factor determines the organization of political parties at the local level

How did the completion of the transcontinental railroad change the lives of american citizens? a-it increased the wealth of all americans and enabled them to travel more.b-it made cross-country travel too expensive for ordinary americans.c-it decreased the safety of americans who moved to settle the plains.d-it shortened travel time between the east and west for all americans.

Brainliestttme : ) -what role has technology played in globalization?