As increasing numbers of migrants from north america and other parts of the world continued to move westward, frontier cultures that had emerged in the colonial period continued to grow, fueling social, political, and ethnic tensions. explain examples of these tensions

The first example of these tensions is the conflict between European settlers and Native Americans. As the first group moved westward, the encroached more Native American-held land. This led to a lot of clashes: skirmishes, masaccres, petty fights.

The Indian Removal Act, and the Trail of Tears, which authorized the resettlement of thousands of Native Americans from the southeast to Oklahoma and the rest of the West was a direct result of this clash.

A second example is the conflict between nature and the settlers. This is an ecological conflict. As people moved west, they began to kill american bisons in mass, almost leading to its exctinction. Fur traders and loggers also caused massive animal deaths and losses of forests respectively.

abraham lincoln  (february 12, 1809  – april 15, 1865) was an american statesman, politician, and lawyer who served as the 16th  president of the united states  from 1861 until  his assassination  in april 1865. lincoln led the nation through the  american civil war, its bloodiest war and its greatest moral, constitutional, and political crisis.[2][3]  he preserved the  union,  abolished slavery, strengthened the  federal government, and modernized  the u.s. economy.