Answer:
19 -B --> makes the most sense based on the events in the diagram
20- C --> this is a long-term effect
the right answer A. farming improved because Native Americans had horses to help plow two fields
Answer: In 1881, in the general american election.
Not able to trade is the situation we are currently facing
Italian immigrants contributed many foods to the American diet. Because you didn't provide answer choices I will provide a short list.
Pasta - such as ravioli
Pizza
Cannolis