Answer:
B
Explanation:
The printing press allowed mass production of books that spread new scientific ideas.
I think the United States is a well developed country. Like if you see India or Africa they are still developing.
I hope this helps :)
North Sea is where large deposits of oil are located
Answer:
The physical features determine weather or not you can trade with a certain country
Explanation:
If a country is surrounded by water, then it makes it easy to trade with other countries, positively impacting the economy, but if it is surrounded by mountains, then it is a lot harder to trade with.