What was one of the main problems with states controlling their own currency?
a.
states always had to pay the national government more money than they were able to produce.
b.
states could make their own money and assign it a specific value.
c.
paper money would only last a few months and had to be replaced.
d.
state produced currency made interstate trade easier to control.

B. States could make their own money and assign it a specific value.

Explanation:

This was the main problem with states controlling their own currency. The fact that states controlled their own currency led to them being able to make their own money and assign it a specific value. In turn, this caused great instability in the economy, as well as complicated trade. This problems were ultimately resolved by the adoption of the dollar in every state.

a. the astrolabe could determine the correct latitudinal location of the ship

if you could provide the poem below, i'd be happy to you!

explanation:

you didn't give us the poem, or the title of the poem. but it is essential for you to give us that, otherwise we can not detect when the poem has a tonal shift!