Answer:
The events that occurred in Europe and Asia that led to change during the Middle Ages are :
1. The <em>invention of the modern sail</em> revolutionized trade.
2. The <em>creation of banks and paper money</em> and
the rise of the middle class and individualism made possible by trade.
3. Power was no longer exerted by the Church alone as trade had made a <em>rich class of land owners</em> and <em>tax payers </em>who wanted power also.
Hope it helps.
<span>Originally the Consuls proposed bills, which were voted on by the Assembly of the Soldiers. Later the plebeian tribunes became the main proposers of bills and the Plebeian Council became the main legislative body.</span>
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
People have the right to overthrow a government that violates their rights.