The invention that spurred industrial growth by providing cheap means of transport was the?

African American men were given the right to vote in 1870, and women were not given the right to vote until 1920, which makes option C. almost 50 years, the most accurate. In 1870 the Fifteenth Amendment to the Constitution prevented denying the right to vote based on race, color or previous condition of servitude. In 1920, by the Nineteenth Amendment, women were granted the right to vote.