I strongly believe that it would be B) Earth science involves the study of systems that may include living organisms
because earth science would be temperature and climate and that would effect living organisms which is life science
It is C. The competition between European powers to build the largest army and navy
It would be the "Fifteenth Amendment" to the Constitution that was <span> needed for African American men throughout the United States to be able to vote in Congressional elections, since this prevented any government from denying a person to vote based on race. </span>
1925 - Calvin Coolidge's inauguration was the first to be broadcast nationally over radio waves. In 1949, PresidentHarry S. Truman was the first to deliver his inaugural address to a televised audience; Kennedy would be the first to do so on color television in 1961.