Answer:
White settlers marched further westward towards the Pacific, inspired by the concept of Manifest Destiny, which believed that European Americans were divinely destined to occupy the whole North American continent. As they did so, they increasingly clashed with Native American Indians for land and natural resources, particularly when the discovery of gold in western regions triggered the Gold Rush. Prospective gold miners flocked to the Rocky Mountains and Pacific Northwest, fighting – often violently – with the Native Americans they met.
Negative environmental impacts from unsustainable farming practices include: Land conversion & habitat loss. Wasteful water consumption. Soil erosion and degradation.
World War 1.
Many blacks left southern states during WW1 and moved to big northern cities to work in war industries.
More went to New York city than to any other,and after the war there a lot of blacks living in Harlem who were literate and artistic.
