It happened in the 1800s because of thomas jefferson
1) Oil prices and economic inefficiency.
Yamani, declared that Saudi Arabia was quitting the agreement on oil production restraint, and started to boost its share in the oil market. After this, Saudi Arabia increased oil production by 5.5 fold, and oil prices dropped by 6.1 fold,
2) ethnic tensions
3) Gorbachev’s reforms
Barbarian groups were able to weaken the Byzantine Empire<span> because the empire itself had several unprotected areas for warring </span>groups<span> to invade.
Hope this helps!
-Sammy</span>
The transfer of plants, animals, people, and diseases between hemispheres. This would be the correct answer!!!
The areas they thought were in need of the greatest reform were the women's rights to vote, political reform, working conditions, big businesses, and an honest government.
