How did President Kennedy respond to the spread of communism in Vietnam? -by withdrawing US troops -by sending more money and weapons -by declaring war on North Vietnam -by committing thousands of US troops

President Kennedy did not like the spread of communism in Vietnam,

Explanation: When President Kennedy and the whole White House heard bout this news, they took action. They declared war on North Vietnam, by sending troops to Vietnam soil, sending money and weapons to fight Vietnam, Kennedy did not want the world to follow the steps of Communism, so that is why he acted so instantly and furiously against Vietnam!

nativists tried to get rid of the immigrants as they thought they were going to ruin the u.s.  

workers of lowell mills were greatly benefited for the waltham type of work which was more a paternalist kind, trying to protect the integrity of this little girls coming from small farmers and providing an adequate place of work, this in an effort to avoid the issues of bad place conditions and immorality that the people in bigger industrialized cities of great britain were experimenting.