Your answer is C. agreed to by Congress in 1777; ratified in 1781
Keeping in mind the description of the stone point given in the story, we can state Marshall the rancher was looking at a Folsom point.
As it's known, a Folsom is a kind of stone point with a leaf-like shape which has a concave base and wide, shallow grooves/flutes running almost the entire length of the point.
Well Industrialization began and both were receiving mass amounts of immigrants.
It is difficult to suggest a course of action as no one knows what the perfect answer to this is. However, one strategy that seems to reduce the incidence of discriminatory practices is that of facilitating the interaction of people of many different races and backgrounds. Most of the time, discrimination comes from a fear of the unknown. People have prejudices and biases towards people who are different from them and this affects how they think about them. However, when people spend time in diverse communities, they tend to become more tolerant and accepting of those who are different to them.
They fled from Castro who was the ruler of Cubans, they fled to U.S.A.
Fidel Castro was a former Prime Minister of Cuba he is the one the Cubans fled from.
Hope this helps :)