Martin Luther King Jr. was the most effective leader in African American civil rights.
What is African American civil rights?
African American activists organized the civil rights movements against inequality, lynching, and other acts of violence against black people. Their tireless efforts to fight back against systematic oppression lead to jail time, beatings, and sometimes even death. The aim of civil rights is to end segregation in public places as well as ban employment discrimination on the basis of color, religion, etc.
Martin Luther King Jr. was a nonviolent protest leader who became famous for his iconic speech "I Have a Dream." He was imprisoned nearly 
times for civil disobedience. He also won the Nobel Peace Prize at the age of 
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<em>Plessy v. Ferguson</em> (1896) was a Supreme Court decision that upheld the principle of "separate but equal" in regard to racial segregation. The Court's decision said that separate, segregated public facilities were acceptable as long as the facilities offered were equal in quality.
In the decades after the Civil War, states in the South began to pass laws that sought to keep white and black society separate. In the 1880s, a number of state legislatures began to pass laws requiring railroads to provide separate cars for passengers who were black. At the heart of the case that became <em>Plessy v. Ferguson</em> was an 1890 law passed in Louisiana in 1890 that required railroads to provide "separate railway carriages for the white and colored races.”
In 1892, Homer Plessy, who was 1/8 black, bought a first class train railroad ticket, took a seat in the whites only section, and then informed the conductor that he was part black. He was removed from the train and jailed. He argued for his civil rights before Judge John Howard Ferguson and was found guilty. His case went all the way to the Supreme Court which at that time upheld the idea of "separate but equal" facilities.
Several decades later, the 1896 <em>Plessy v. Ferguson </em>decision was overturned. <em>Brown v. Board of Education of Topeka</em>, decided by the US Supreme Court in 1954, extended civil liberties to all Americans in regard to access to education. The "separate but equal" principle of <em>Plessy v. Ferguson</em> had been applied to education as it had been to transportation. In the case of <em>Brown v. Board of Education</em>, that standard was challenged and defeated. Segregation was shown to create inequality, and the Supreme Court unanimously ruled segregation to be unconstitutional.
During the 1950s, an increase in the number of marriages and births fueled a demand for housing.
People who was born in the 1950s were known as the baby boomers. The increasing number of marrieages and births in population of post-World War II led to an increase in the demand for housing and gave rise to higher density cities.
By the 1970s, the United States economy had grown by leaps and bounds and was by far the largest economy in the world.
Maryland supported the sugar plantations in West Indies
