Before the War of American revolution, 13 British colonies were the dominate power in the North America.
After the British left, these 13 colonies became the independent United States of America.
Other territories such as Louisiana was control by the French Empire. The United States government was able to buy it and turn it into a US state.
Spanish controlled territory in North America eventually became the independent country of Mexico, while the northern most territory on the continent became Canada.
The murders of Chaney, Goodman, and Schwerner, also known as the Freedom Summer murders, the Mississippi civil rights workers' murders or the Mississippi Burning murders, involved three activists who were abducted and murdered in Neshoba County, Mississippi in June 1964 during the Civil Rights Movement.
I don't know if this will help you but you can also add in: discord within the Islamic community as well as economic and military defeats to Europe and Russia led to the military downfall of the Ottomans. After this they began to they began to refrain from intellectual pursuits and relied on military strength to support them so that they could keep internal conflict low. However, the military weakened and was no longer able to support the empire.
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