Answer:
The civil rights movement was a struggle for social justice that took place mainly during the 1950s and 1960s for Black Americans to gain equal rights under the law in the United States. The Civil War had officially abolished slavery, but it didn’t end discrimination against Black people—they continued to endure the devastating effects of racism, especially in the South. By the mid-20th century, Black Americans had had more than enough of prejudice and violence against them. They, along with many white Americans, mobilized and began an unprecedented fight for equality that spanned two decades.
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Explanation:
"From the mid-1970s there were new claims for the independent invention of iron smelting on central Niger and from 1994–1999 UNESCO funded an initiative "Les Routes du Fer en Afrique/The Iron Routes in Africa" to investigate the origins and spread of iron metallurgy in Africa. This funded both the conference on the early iron in Africa and the Mediterranean and a volume, published by UNESCO, that has generated much controversy because it included only authors sympathetic to the view that iron was independently invented in Africa. Two major reviews of the evidence were published in the mid-2000s. Both authors concluded that there were major technical flaws in each of the studies claiming the independent invention. Three major issues were identified. The first was whether the material dated by radiocarbon was insecure archaeological association with iron-working residues. (Many of the dates from Niger, for example, were on organic matter in potsherds that were lying on the ground surface together with iron objects). The second issue is the possible effect of "old carbon" - wood or charcoal much older than the time at which iron was smelted. This is a particular problem in Niger, where the charred stumps of ancient trees are a potential source of charcoal and have sometimes been misidentified as smelting furnaces. A third issue is the inherent lack of precision of the radiocarbon method itself in the range from 800 to 400 BC, which is attributable to the irregular production of radiocarbon in the upper atmosphere. Unfortunately, most radiocarbon dates for the initial spread of iron metallurgy in sub-Saharan Africa fall within this range."
Answer:
they have to be a citizen, and lived in the country for 14 or more years
Explanation:
Some of the advantages achieved through public opinion polling are the ability to better predict the outcome of elections, determine how the public's views change during a period of time and the gaining of a better understanding of the issues in question by those individuals who are being polled.<span> An improved awareness of the issues at hand, which can be generated by polls, leads to active dialogues and more informed choices. The results obtained through polls also began to have an effect on the decisions made by political leaders during the 1980s as elected officials no longer needed to guess at what their constituents were thinking.
</span>It has been argued by some observers that opinion polls can sometimes work to influence the choices made by voters in addition to just predicting their ballot selections. There are two theories regarding how this might occur: the bandwagon effect and underdog effect. The bandwagon effect is believed to act as a persuasive force that can cause some voters to switch their support to the candidate that the polls show is leading. The underdog effect is the inverse, and is believed to cause some individuals to vote out of sympathy for the candidate that the polls show is losing.
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