This is an idea that declares that the people have the power in creation of government O Great Compromise
O Due Process
O Popular Sovereignty

Explanation:

Let's define each answer choice.

Great Compromise

This was a combination of the New Jersey Plan and Virginia Plan. The NJ plan called for one Congress house with equal representation. The VA Plan vouched for two houses in Congress with representation based on population. The compromise resulted in present-day Congress with equal representation in the Senate and population-proportionate representation in the House of Representatives.

Due Process

Citizens must be treated justly and all of their rights must be observed and followed in legal proceedings.

Popular Sovereignty

The idea that people ("consent of the governed") provide the power for a government.

Based on our definitions above, we can assume that the "idea that declares people have the power in creation of government" is popular sovereignty.

The angle measures would be 70 and 90