Which of the following increased tensions between settlers and the Plains Indians and led to conflicts between the groups? А
the Erie Canal
B
the Oregon Trail
С
the Treaty of Fort Laramie
D
the Spanish-American War

hawaii was the final state

the navigation act prevented the colonies from exporting to countries other than britain and it prevented the importation of goods by other countries as well. so i believe the correct answer is d. other nations could not deliver goods to the colonies.

hope this .

c would be the correct !

hope this !

~bbgluver

answer; professor;