According to sociobiologists, social behaviour occurs in order to preserve one's genes in the population. Sociobiology is a branch of Biology which studies social behaviour in relation to evolution. They believe that social behaviour is affected by natural selection, by estimating that animals behave in certain ways that are evolutionary successful over generations.
It could be said that option A (they considered the practice of slavery to be a crime) was a reason for Radical Republicans to look for punishments against the former Confederate states. <span> They led efforts to establish civil rights for former slaves and fully emancipation. </span>
The historical (year by year) revenue trends for the US and DE (Germany) are dissimilar. For Germany, the trends have been somewhat same, leading to no difference, but for the US, they have witnessed a downfall from 2008 to 2009.
The economy of Germany is a highly developed one. It has the largest national economy in Europe and the fourth largest in the world. It also happens that German is one of the largest exporter of good in Europe, which in the year 2016, recorded the highest trade surplus.
The United States is a free economy which has the world's largest nominal GDP and net worth. In purchasing power parity, it ranks second, next to China.
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