Here are the innovations in farming methods that created in 1830s :
- steel-tipped plow used to break out the soils without the tools having to be stuck in the ground
- Mechanical reaper, to cut out grass more efficiently
- Thresher, which is created to speed up grain's harvesting process
They started between 1961 to 1981.
Answer:
Winter solstice
Explanation:
The winter solstice is the day at which the region of the earth reaches its maximum tilt away from the sun, which causes shorter days.
The other choices should result in more, not less, sunlight.
This would depend on the exact time period, but consistently throughout time, foreign explorers/invaders came to excavate gold and salt mines. Africa was very, very rich with these resources a few thousand years ago- when Europeans started to arrive at their ports.