It would be A, if you want an easy way to make sure your answers are right use process of elimination.
The Lowell System only employed young, unmarried women from local farms. They provided them with lodging and meals in a rooming house and paid them wages that were much better than they could get for other available jobs. The girls were encouraged to use their free time to take classes and form women's clubs.
The Congress of Vienna helped ensure peace in Europe by making sure that a common consensus was reached between the leaders of a variety of countries--making it more of a multilateral and multi-beneficial agreement that suited all.
The 24th Amendment<span> Prohibits Poll Taxes. Forty-five years ago today, the </span>24th Amendment<span> to the U.S. Constitution was ratified by the states. The </span>amendment<span> forbids Congress and states from requiring poll taxes in order to </span>vote<span> in federal elections.</span>