not B, I think either A or D
An immigrant can become a permanent resident of the United States if they become a Green Card Holder. Good luck!
Because they didn't have phones or computers back then to type on or call people so they had to write everything down
What was the result of the telephone/telegraph?
I think this should be right. It depends on what time period but I remember reading about it a while back in history about how the telephone/telegraph improved communication. I'm thinking the telegraph is the most likely answer but I can't be certain. Some people would say technology or internet but I'm pretty sure its 'telegraph or telephone".