Which of the following people made the speech below?

This speech was made by Franklin Delano Roosevelt.

Explanation:

When World War II (1939-1945) began, the United States stayed apart from hostilities, maintaining a climate of neutrality, although they continued to give moral support to England. Roosevelt was well aware of the possibility that the United States might be finally led to war. It was at this moment of neutrality that Roosevelt made this speech.

i think the answer is c, rivers.

explanation:

sometimes, borders fall along natural boundaries like rivers or mountain ranges. for example, the boundary between france and spain follows the crest of the pyrenees mountains. for part of its length, the boundary between the united states and mexico follows a river called the rio grande. the borders of four countries divide africa’s lake chad: niger, chad, cameroon, and nigeria.

option d is correct. corroborated sources of historical evidence   is necessary to validate a claim about an event in history.

historians tend to use written sources, but audio and visual materials as well as artifacts are important objects that supply information to modern historians.

historical sources are usually divided into two categories: primary and secondary sources. depending on the historian's intent, some sources shift their designation. determining what type of sources toimplement, and the level of credibility and reliability of those sources, is a significant step in critical thinking for the historian.

explanation: