Why does the 2009 u. s. population continue to grow even though the united states has essentially established a zero population growth (zpg)?

Sea exploration became important during the late middle ages because europeans most likely wanted to

What did the incas accomplish? a. written language b. formalized religion c. conquest of the western south america d. formalized government

Brainliesttt asap!me : describe the responses to terrorism in the united states.