If cotton was king in the south, what was king in the north?

Why did joining the american cause have the potential to alienate lafayette and disgrace his family

Which empire was called "the sick man of 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.