I beleive the correct answer is government regulation
Explanation:
where is the question????
Long before europeans has devised a leap day, mayans knew that a year on earth was longer than 365 days.
the mayans knew about the sun because they're considered one of the most advanced tribe back then. Their culture studied the sun a lot, including the seasons that may have passed during the rise and fall of the sun
China's isolation by the himalayas prevented modernization and kept the ideas and technologies that were traded in europe and india out of there country. this also kept merchants and traders with goods that china could not access out of the country, however, this did decrease the chance of invasion because the mountains did provide protection. the chineese built the Great Wall completely isolating themselves and protecting there pure chinese cultures and traditions and they remained uneffected by the rest of europe.
