The correct answer should be<span> b.
Migration was high from Europe, and many people were concerned that
those sympathetic to Germany or its cause could be spies.
That's why they used to act to make it illegal to not support your government when it came to war efforts and international relations. They believed and feared that those who liked Germany would spread their support to other people and criticize inappropriately. </span>
To protect our country! I hope this helps :D!
They believed the new deal gave the government far too much power
All I would know on this matter, is : America joined WWI because of the American lives being lost on Passenger liners such as the RMS Lusitania.
During the 1800's I think that the majority of immigrants came from Europe. That is what I recall learning. Please mark as brainliest if right, please. Appreciate it.