Answer:
When a problem arises with the Navajo nation, whose territory crosses state boundaries, the Federal Bureau of Indian Affairs would help.
The Bureau of Indian Affairs is a federal government agency charged with managing the native territories and the resources that are granted to these groups, whose main officer is Bryan C. RIce. It is an organism dependent on the Department of the Interior, and is in charge of procuring through the administration of the territory and the resources the well-being of the natives lodged in lands granted by the federal government. Therefore, in the event of structural problems that transcend the Navajo Nation's sphere of influence, this agency would be the first to act.
The Black Sea was the waterway most controlled by the Byzantine Empire during its height and most of its existence. Constantinople which is nowadays know as Istanbul was the capital city of the empire and it was located in the Bosphorus strait, which is the connecting link between Mediterranean Sea and the Black sea.
That geographical area was a strategic point for commercial routes between Europe and Asia, and it was also military disputed due to be considered the entrance to Europe for eastern invaders.
The reason there was a decrease in immigration from 1911 - 1930 was because of<em> A.</em><em> Increased restrictions</em><em> on </em><em>immigration </em><em>by the </em><em>Federal Government</em>
From the period before the First World War began up till 1930, some Americans began to call for a limit to immigration.
The <u>federal government responded by limiting immigration</u> through ways like:
- the Quota system - only a certain number of people were allowed in from certain countries annually
- literacy tests - immigrants had to pass literacy tests to be allowed into the country
This led to a decrease in the number of people being allowed into the U.S. and so led to a decrease in immigration.
We can therefore conclude that the efforts of the Federal government were the reason the immigration rates of those years decreased.
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Unrestricted submarine warfare is the practice of using submarines to attack and sink all forms of enemy shipping, whether they are military or civilian. It is most closely associated with the First World War when Germany's decision to use USW brought the US into the war and led to their defeat.
