In the 1970s, how did the chinese government seek to limit the country's population growth?

To curb the rapid population growth in China during the '70s, a one-child policy was put into place by the Chinese government. Couples should only have one child. Rewards were given to those who complied while those who violated were fined, or reportedly, underwent forced abortions.

i see, would you mind putting it as one?

warfare was the primary means of cultural transmission in both regions.