What brought a surge of nativism and how was it tied to nationalism

How did the relationship between settlers and native americans change after the homestead act was put into place ?

"if i have seen farther than others," said newton, "it is because i have stood on the shoulders of giants." who were the giants to whom newton was referring? could this be said of any scientific accomplishment? explain.

Which of the following is an example of nationalism? a. a leader calls on his country's allies to protect his country from a threat posed by a neighboring nation-state. b. one country declares war on another power after that power invades the first country's ally. c. an activist organizes a protest of ethnic minorities in a country to demand that they be given their own country. d. under an alliance, one country promises to defend another country from an attack by a third.