Manifest Destiny was largely led and carried out by white americans seeking the westward expansion to increase the boundaries of the United States. African Americans were impact largely because as westward expansion continued new states were brought into the union with legalized slavery in places like Texas. This had an overall negative impact on African Americans by increasing the demand for slavery and expanding the institution of slavery westward. For the Native Americans Manifest Destiny was a major catastrophe leading to the ethnic cleansing and removal of Native Americans from their homes and lands. This removal often occurred with force with high rates of violence.
There was different effects for it. I'm not sure if your question is free response or multiple choice but some effects were: widening the gap between the rich and poor, making inner cities have even worse conditions, the beatniks rose to counter the middle class lifestyle, schools in suburbs were better than the ones in inner cities
The Neolithic Era or the Stone Age
contributed greatly in the creation of civilizations for this was the period
where development in terms of agricultural practice, encouragement of
developing societies and cities took place. This was the time when men
started to domesticate plants and animals. This was somehow the transition from
the lifestyle of hunting and gathering to one of agriculture and settlement
which made way to the possibility of an increasing larger population during
that time. By doing so, they were able to produce more food which led to the
mastery of being artisans, merchants, government officials and other
professions needed to have civilization. It is said that for a civilization to
be considered legit, it must have cities, government, religion, social
structure, writing and art. And all these were evident and started during this
Period.
B, he was known for his serious attitude and deep thinking