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.
Answer:
Tsarism was threatened by the 1905 Revolution but Nicholas II remained staunchly committed to the autocracy. As a result, the events of 1905 were followed by a period of tsarist reaction led by chief minister Pyotr Stolypin, where promised reforms were wound back and revolutionary groups were suppressed.
As the demand for slaves grew, the Portuguese began to enter the interior of Africa to forcibly take captives; as other Europeans became involved in the slave trade, generally they remained on the coast and purchased captives from Africans who had transported them from the interior.
Discrimination and being treated as second class citizens
Answer:
Image result for What was one thing Frida kahlo did that was important?
Artist Frida Kahlo was considered one of Mexico's greatest artists who began painting mostly self-portraits after she was severely injured in a bus accident. ... She exhibited her paintings in Paris and Mexico before her death in 1954.
Explanation:
Like I don't know soooo.