How many immigrants arrived in the united states between 1870 and 1910

common sense was a pamphlet by thomas paine which advocated the independence of the thirteen colonies from great britain.

i think the answer is c, rivers.

explanation:

sometimes, borders fall along natural boundaries like rivers or mountain ranges. for example, the boundary between france and spain follows the crest of the pyrenees mountains. for part of its length, the boundary between the united states and mexico follows a river called the rio grande. the borders of four countries divide africa’s lake chad: niger, chad, cameroon, and nigeria.

formulating the initial idea for the policy

answer is c.