This is a personal question, which means that only you can answer it. However, I can give some examples that might help guide your work.
An example of a primary source that you might encounter in your own life is that of a news article. As this article is likely to be written by a reporter witnessing the events, it can be considered a primary source. On the other hand, an example of a secondary source would be a non-fiction book that talks about a historical event. This is because such a book would give a second-hand account of an event based on historical information.
Im really not sure what it is
1 is Lend-lease program
2 is Isolationists
3 is Embargo
Answer: Spain.
Explanation:
The Spanish Civil War was described as "dress rehearsal", because the bombing of Spanish cities by Nationalist rebels with the support of Nazi Germany and Fascist Italy, allowed them to test new weapons later used in World War II, like the He-111 and Do-17 bombers.
Particularly, gruesome was the bombing of Guernica, later depicted in Pablo Picasso´s painting because it was a military air force attack over civilians, which is considered as a war crime.
Answer:
The north and south in America
Explanation:
Civil wars are usually wars within a country, so we can rule out the first two.