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.
The answer is: C. They originated in the 1800s as competitions at the completion of cattle drives.
Rodeos originated in the 1800s from cattle herders who had the specific skills of working as cowboys or "vaqueros". These skills were honed to the point of creating competitions and contests, therefore, making rodeos more than entertainment, a form of professional sport.
British taxation on the colonies without proper representation in Parliament