The correct answer to this open question is the following.
Although the previous link was not attached, we can say the following.
The central ideas or information of a primary or secondary source are the following,
A primary resource comes from the people who witnessed the event, the incident, or the specific moment. These people could have written their own descriptions, testimonies, books, or maybe journalists that directly reported what happened. It also could be an interview with people who were part of the historical event. For instance, if it is a soldier that participated in the Vietnam War, a journalist can interview him and use it as a primary source.
On the other hand, secondary sources can be obtained from other sources that were not direct. This could be an author that based its story in other investigations, or it could be encyclopedias.
The migration is known as "<span>Za Chlebem", which in English language is translated as "For Bread".
As it is obvious from the name that this migration was in search of a better life, it mainly consisted those Polish immigrants who in Poland had no basics of lives neither did they own any land to support themselves.</span>
Until April 6th, 1917, America was still a declared neutral state and she had tried to keep out of World War 1. However, she had economic relationships with nations involved in the war such as loans and financial support. American Secretary of State William Jennings opposed this financial support of warring nations, arguing that refusing to loan to any Allied nations in Europe would help to accelerate the end of the war. Even though President Wilson agreed at first, he retreated this when France argued that if it was not legal to take out credits from America, then it was not legal to buy American goods as well.
Regarding this, the American steel industry had faced declining profits during the Recession of 1913–1914. And when the war began in Europe, the increased demand for tools of war began a period of intensified productivity that relieved many U.S. industrial companies.
I think it’s C, because slaves were not allowed to learn to read, so if you had to be literate to vote, most slaves wouldn’t be able to.