Do world regions overlap?

Facts/data/information/reason to prove the us is democratic

The sun a. will become a red giant within two to three million years b. is in its main sequence, which willlast thousands of years c. is in its main sequence, which will last billions of years. d. will explode as a supernova after its main sequence

Can someone ! who is the intended audience for cortés—general description of tenochtitlán i need to fill out a hap-p chart pleaaasse