Are they all correct ? and with the number 4 ? you

Yes they are all correct and for number 4 compare write your own comparison of 2 things like if people like dogs more or cats more

After the experience with great britain having a monarchy, the united states realized that everyone needed to have a voice in the government. the fact that americans had no voice was the main reason for the war. thus, they created a democracy, where the people voted for their representatives and the government ruled with the consent of the people.