It provided free and safe travel across the Silk Road, it isolated Russia, and helped spread the bubonic plague
From what I can see C would be the best answer
<span>JROTC (Junior Reserve Officer
Training Corps) was created in accordance with National Defense Act of 1916 and
then to ROTC Vitalization Act of 1964. It is a program with the cooperation of
Army and high schools to offer students improve their character education,
success, health and wellness, leadership, diversity, geography, civics, and
many more, in an environment with more disciplinary measures and rules. It is
also an encouragement to the students to be able to explore and get interested
in the military.</span>
On June 29, 1947, as the first president to address the National Association for the Advancement of Colored People (NAACP), Harry Truman pledges his support for upholding the civil rights of all Americans.