Which timespan represents the peak of the Maya civilization?

Most famously, the Maya of the southern lowland region reached their peak during the Classic Period of Maya civilization (A.D. 250 to 900), and built the great stone cities and monuments that have fascinated explorers and scholars of the region.

Which timespan represents the peak of the Maya civilization?

: 200 - 1,000 C.E.

answer; i believe that the correct answer is (c) arctic tundra;

calvin taught his followers that human beings needed to follow strict rules to overcome their nature and do good. second choice