<span>The Farmers' Alliances agitated for railroad regulation, tax reform, and unlimited coinage of silver and attempted to influence the established political parties. Growth was so rapid, however, that interest in a third party began to increase; in 1891 delegates from farm and labor organizations met in Cincinnati. No decision was made to form a political party, but when the Republican and Democratic parties both straddled the currency question at the 1892 presidential conventions, a convention was held at Omaha, and the Populist party was formed (1892).</span>
Answer:
C. European involvement helped expand the slave trade within Africa.
Explanation:
It’s B
The Berlin Wall was built by the German Democratic Republic during the Cold War to prevent its population from escaping Soviet-controlled East Berlin to West Berlin, which was controlled by the major Western Allies.
Buying stock on margin remained profitable as long as the stock market didn't crash and prices kept rising.
