How did americans establish governments as they went from british colonies to independant states

They had the First Continental Congress. They mustered ideas on how they would self govern after the break from Britain. So after many different meetings they created the first system of our country. The Articles of Confederation. Which gave states more power than the central/federal government. Which was soon destroyed and then the Constitution became the governing document.

C)He should also take a sample from each of the other history classes in all of the other grades in the middle school.

Step-by-step explanation:

Not only students in the 8th grade are in the middle school, there are other students in other grades who are in the middle school and are enrolled in history classes. Leo's sample is only from one grade of the middle school. In fact, including Ms. Lopez's and Mrs. Frank's classes in the selection of sample is not sufficient. Leo has to take a sample from the remaining grades to avoid making a wrong conclusion as a result of bias in the choice of data.