<span>In general (according to Russia's early histories), the ancestors of Russian people were almost from the Pripet Marshes. It was a vast natural region from the wetlands. People or tribe from this place were called Slavic.Despite of many variety of people from several nations, the Slavic were the first people to settle in Russia and Ukraine. the answer is the choice B:slavics.</span>
Because it expressed the fact that Americans didn't want European countries that had economic or colonists interests to put a foot in the United States.