D before the Crusades trade was literally nonexistent between them and after it brought new technology and products such as silk and food etc.
Throughout history, to prevent the Civil War, the south could have accepted President Lincoln and his opinions on slavery and how the US was going to get its money. To have completely prevented a Civil War, the north could have accepted the south's secession.
If you are talking about the colonists, one right that was taken away from them was representation in Government.
, the United States did not officially join the League of Nations due to opposition from isolationists in Congress.
Answer: so the federal government can control the states like the president and can also declare war
the state government cant declare war but caan control the laws and activities in their state
