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
Answer:
For profit.
Explanation:
If the companies don't have to spend money on making the working conditions of their shop safer, that saves them money. It also saves them time (thus, saving money).
Because in 1867, Ulysses S. Grant charged Sheridan with pacifying the Great Plains, where warfare with Native Americans was wreaking havoc. In an effort to force the Plains people onto reservations, Sheridan used the same tactics he used in the Shenandoah Valley: he attacked several tribes in their winter quarters, and he promoted the widespread slaughter of American bison, their primary source of food.
