Option: B.) They wanted to seek silver and gold there.
Explanation:
The great plains were the region of Kansas, Nebraska, Oklahoma, Colorado, and Texas were farmers and cattlemen choose to settle down in the 1800s. The reason for settlement in the plain was the Homestead Act which allowed Americans to get land at a reasonable price.
Americans first travel across the Great Plains to seek gold and silver as the Spanish explorer Francisco Vásquez de Coronadoconducted his expeditions to find gold and silver. Americans went to the Great Plains when they heard the presence of minerals in the Great Plains region. Gold found where these people hoped to make a lot of money by mining gold.
if u read the passage it says that supporters if the new jersey plan thought if it was based on population that larger states could over power smaller states since let's say kentucky would have more than new jersey