The navigation acts required colonists to do most of their trading a. with england. c. on english ships. b. with other colonies. d. in a triangle.

a. with England.

Explanation:

The Navigation Acts were a series of laws that were passed in Great Britain in order to ensure that the colonies conducted most of their trading with England. This was a consequence of the theory of mercantilism, in which a country believes government action is necessary in order to ensure that wealth does not leave the country. These restrictions on colonial trade were a significant contributing event leading up to the revolution.

i think the answer is a and i hope this ; ))

the graph shows the spread of railways in the 1800s.

based on the graph, the conclusion that can be drawn about germany is answer d)   by 1880, germany had more rail lines than great britain and russia.