Since the horse has less pulling power then an oxen, then the farmer has two wise options to make.
1. To make the plow smaller, thus making less pressure on the horse because of it will turn and pull lesser amount of ground.
2. To buy another horse, so that the plow is not reduced and the job to be done quicker, and the horses will share the effort so they will have no problem in pulling the plow.
Answer:
To "ratify" something means to confirm by expressing consent/approval
Explanation: For example,
Numerous countries have refused to ratify the treaty.
Answer: Jimmy Carter pressured U.S. Allies to change the way they treated their own people.
Explanation: sorry if wrong
The Europeans brought many deadly diseases with them from Europe. The Native Americans did not have the antibodies to deal with these unknown sicknesses so most of their population died off.