A magazine would be infact, considered a secondary source! Hope that helps!
North was most responsible for "killing" reconstruction.
Answer:
On Gradpoint it's the one that says something along the lines of "avoiding conflict between southern and northern states"
Explanation:
The mountainous terrain made city-states become independent from one another.Basically meaning that different city-states did not have any interactions with each other. If so, very little.
The fastest way to communicate across continents in the 1500s was by ship. If you wanted to bring a certain message across a continent than there was no faster way than actually sending it on a ship and waiting for the ship to arrive safely to the other continent.