Explain napoleons rise to power in europe

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.

Which of the following were lyndon johnson's goals as president?

Explain one piece of evidence to show how the european system contribute to the growth of europeans in the indian ocean trade