What caused Sparta to want to go to war with Athens? Athens demanded tribute from Sparta.
Sparta was worried that Athens was becoming too strong.
O Sparta wanted to expand its size and Athens controlled a lot of land.
Athens launched a surprise attack on Sparta for not joining the Delian League.

The telegraph, the transatlantic telegraph cable, and the telephone were important to businesses after 1850 because of a. they created a system for developing new inventions. b. they filled a need that other inventions of the day could not. c. they attracted investors and created the stock market. d. they made picture-taking a popular american pastime.

According to the points given on the the frontier (line), when 25 million skateboards are produced, how many rollerblades can be produced?

Which identifies the conflict that arose over rubber production in the belgian congo?