Planets asteroids and comets
In 1834, the federal government had passed an act that designated the entire Great Plains as one enormous reservation, or land set aside for Native American tribes. In the 1850s, however, the government changed its policy and created treaties that defined specific boundaries for each tribe. Most Native Americans spurned the government treaties and continued to hunt on their traditional lands clashing with settlers and miners, with tragic results.
The government’s continuous changing of American Indian policy caused mistrust.

Answer:
cuneiform
Explanation:
One of the first written languages we know of
I believe the answer is Ghana (previously called the Gold Coast). On March 6, 1957, Ghana became an independent state, making it the first sub-Suharan African country to gain independence from British rule.
I'm not sure if you still need this answer because you asked it 4 days ago, but hopefully this could be of some help :)