Answer:
i think you mean andrew young
Explanation:
"(born March 12, 1932) is an American politician, diplomat, and activist. Beginning his career as a pastor, Young was an early leader in the civil rights movement, serving as executive director of the Southern Christian Leadership Conference (SCLC) and a close confidant to Martin Luther King Jr."
Florence had amassed huge wealth because of their famous bankers who gained power. These bankers and politicians, most notably the Medici family, used their wealth to pay for commissions from famous artists of the time which enriched the society. This is one of the reasons why the renaissance began in Italy.<span />
Westinghouse designed an air brake that made rail travel safer, and his promotion of an alternating current system revolutionized the power industry. ... His time in the army made him realize the importance of railroads to the national project of industrialization.
B.) the system of checks and balances