Is a tax on products coming to America from foreign countries controlled by the national government or the states?

In order to determine the distance between two cities on a map, which map feature would a student have to use?

What was a result of the peloponnesian war? a. it resulted in teh destruction of the peloponnesian league. b. it resulted in an alliance between athens and persia. c. it started the golden age of athens under pericles. d. it ended the athenian domination of the greek world.

Are people more motivated to change from positive or negative experiences, like slavery, womens rights, and any other historical movements/moments? i need factual information, not opinions.