The Soviet Union was a communist country and the United States is a democracy. So since they had very different political philosophies it lead to a deep mistrust of eachother. This is how they ended up on opposite sides of the Cold War.
Hope this helped you!! ( :
I think its D!!
c and b incorrect
Europe started exploring for the sake of their religions and to get richer by making trades for spices and other things.
Northern Ireland, Scotland, and Wales gained their own legislatures because c) The British Parliament had grown too large to be efficient. This was also due to the fact that these three places are countries but part of Great Britain (Scotland and Wales) and the United Kingdom (all three countries) and it would only be fair for them to have some say for their own countries specific issues. This process is called devolution.