Why was john jay criticized when he came back from england?

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 does the document of the birtish octopus is an uderlying cause of the world war 1

How long have counties been a part of the government structure of the united states?