They were hindered by economic development and lack of enforcement, so I'd say 1. Cost, because no one would pay for it.
Answer:
he was the person who discover how our solar system works and that there was more to our solar system than we thought.. the was put on house arrest because people thought he was crazy when he was actually right.
Explanation:
The reason why people risk their lives to fight against the world's super power was because of the reason that they want to have their freedom and to be able to get and achieve the rights in which they think that they truly deserves.
I believe it is option C
Hope this helps
Answer:
d) american companies continuing to trade with countries fighting with germany
Explanation:
