The Tang Dynasty of China when faced with rebellion from General An Lushan in their northern territories sought outside support from mercenary forces. This was done a number of times during the rebellion, these mercenaries were typically Arab, however, we also have examples of soldiers brought from Uighur to fight with the Tang and numbered in the thousands in the fight against Lushan's forces.
With the help of mercenary forces, the Tang were able to take back several important capital cities of China and effectively eliminated the rebellion of Lushan, as well as his later supporters and successors.
From at least 1766BCE to the twentieth century of the Common Era, China was ruled by dynasties. A dynasty is a family that passes control from one generation to the next. A dynasty does not have to last for a long
time. One Chinese
dynasty lasted
more than 800
years while
another lasted
only fifteen years.
After the declaration of independence, the United States did not stop growing. Immigration was incessant at the same time that the discovery of gold, the territorial annexation and the relatively easy access to the land made possible an advance towards the west. The population expanded throughout the territory: the waterways also contributed to this.
At the beginning of the 19th century, what in the history of the United States is known as the "march towards the west, the colonization of the agricultural Midwest by the so-called farmers who were family production units but who were absolutely involved in a capitalist economy, that is, that they were specialized producers that produced for the market.
<em>Price Elasticity of demand </em>is the difference in quantity demanded compared to difference in price. <em>Elastic demand</em> is given change in price causes relatively larger change in the quantity demanded. <em>Non-Elastic demand</em> is given change in price causes relatively smaller change in the quantity demanded.
<em>One can have a strong effect on the demand curve while the other has a lesser effect!</em>