Its a small european mussel that clusters densely on surfaces.
The answer to this question is Located <span>important routes for trade and travel
The lewis and clark expedition was also known as The corps of Discovery. This expedition was ordered shortly after united states bought Louisiana in order to explore the region. As it turned out, the expedition lead to several paths that could be used to travel natural resources, and the expedition contributed to the discoveries of most of United States western region today.</span>
The mongols is history's biggest land contiguous empire that grew under the leadership of Khan,and was made of nomadic people. It sprung from eastern Europe and spread all the way to the far east.
The Mongolians were an exception because they perfected the mail system,protected the silk road, and left a legacy of unified political units such as Russia and China.
Hungary
Bulgaria
Czechoslovakia