Which of the following contributed most to the economic expansion that took place during the commercial revolution?

interdependence is when all participating groups and individuals depend on each other. if you depend on one anothers goods, you end up trading in order to get the items you're looking for. (for ex: if i have food and you have water, we trade in order to depend on each other to live)

i actually think that the correct answer is: the roman senate power's could not exercise complete control over the common people or plebeians.

.hope that . and can i get brainest point