I think it was b they did a lot of stuff
The correct answer is D. <span>direct conflict between the two global superpowers, for the two superpowers, the US and Soviet Union, did not technically fight against each other. That's why the war was called "Cold War".
Hope this helps~</span>
Answer:
Scientist start with general observations and then make a hypothesis
During the Age of exploration, primarily *European* explorers traveled across the Atlantic and pacific oceans and first encountered civilizations in the Americas, since they were in competition so see who could extract the most natural resources.
The national road was built with stone (crushed and solid), and it became one of the most expensive roads, if not the most expensive, in the United States in the early 1800s. For example, the privately funded Lancaster Turnpike, also built with stone, cost $7,500 per mile—versus $13,000 per mile for the national road.☜(ﾟヮﾟ☜) (⌐■_■)
