The Maya, using their knowledge of astronomy, and building on the Olmec solar calendar, created the most accurate calendar in the ancient world. ... Both the Olmec and the Maya invented many things, but they never used the wheel, and they never made metal weapons or tools.
League of nation, it was rejected because American people feel they like to be isolated from other nation. They don't want to be in another war after ww1
Answer: B) Yosemite
In 1903, President Theodore Roosevelt visited Yosemite National Park ! :D
Explanation:
C) Move black Southerns out of poverty
