Why was the United States reluctant to accept Jewish refugees?

The rulers of the west african kingdoms expanded their lands by

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.

What problem made china reluctant to improve relations with the united states? apex answer