In the study of ancient China, how do historians divide up the time periods? * 1. By Mongol Invasions
2. The periods of time were given names of mythical Chinese dragons
3. According to the ruling Dynasty

d - failures.

the only attempted british colony in north america before 1600 was roanoke, virginia, which was a total failure. england claimed several areas, including newfoundland, but made no sustainable attempts to colonize them before 1600.

answer; presidential election years;

answer; decipher the motives for why people behave the way they do;