Who is known as " The Father of Modern Rocketry"?

What were the 2 main reasons why the chinese came to america ?

Can someone me out with this , i'm putting 30 points on it

What was reagan’s first priority after he won the presidential election of 1980? a.to increase government funding for social programs b.to pass the equal rights amendment c.to appoint a female to the supreme court d.to get the economy back on track