Before public lands could be sold under the Land Ordinance of 1785, the land had to be

This means that blacks were the largest group of people who did not have the right to vote and choose their representatives.

The guarantee of voting rights by blacks was only really respected from the advances of the civil rights movements of the 1950s and 1960s. Considering the history of race relations in the United States to date, the advances made during those years were truly extraordinary . Segregation was overcome, definitive suffrage was extended to black people through the Voting Rights Act of 1965, and the federal government instituted equal opportunity and affirmative action programs to combat racism.

It is true that landfills can enter the ground andpollute soil and water. The chemicals brought by these landfills will seep intothe soil, suck out all its organic nutrients until the soil becomes pollutedand eventually, dead wherein no organisms could live into.

In the late 1800s, the Austro-Hungarian Empire (also known as the Austrian Empire until 1867) faced the greatest challenge remaining unified with a large variety of ethnic groups seeking independence within its borders. The empire was a multi-ethnic and multi-lingual entity comprising various ethnic groups, including Austrians, Hungarians, Czechs, Slovaks, Poles, Ukrainians, Romanians, Serbs, Croats, Slovenes, and others. These diverse ethnic groups had different cultural, linguistic, and political aspirations, which posed significant challenges to the empire's efforts to maintain unity and control. This internal fragmentation and the desire for independence among different ethnicities ultimately contributed to the empire's dissolution after World War I.