Answer C.
They allowed European militaries to make deadlier weapons than ever before
Answer:
Fredrick Jackson Turner argued about the importance of the western frontier in American history in 1893:
He thought that the frontier made United Stated different from Europe.
He argued that the identity and vitality of America was due to its frontier.
He argued that American democracy depended on it.
Explanation:
He even wrote a thesis on "The Significance of the Frontier in American History" in which he argued that the frontier would help America keep it´s democracy, this means keep it´s soberanity. The control of who enters and who doesn´t.
He also shared this ideas that the expansion on the west would change American culture and views.
Baker Island is your answer
It stretched to the Pacific Coast
Answer:
Issue of Congo have defined below in the explanation.
Explanation:
The Belgian Congo gained independence on June 30, 1960, under the name of the Republic of Congo. Conflict over the management of territories known as the Congo crisis. Nationality happened in 1958 when more elites began to interact with others outside their boundaries and began discussing the Congolese state's future post-colonial planning. However, most political mobilization took place along ethnic and regional divisions. Hostile to immigrants, he advocated provincial autonomy and close relations with Belgium. Much of its support is rooted in individual leaders, entrepreneurs, and European settlers in southern Katanga. It was opposed by the Jason Sendwe Association, Générale des Baluba du Katanga.