Answer:
Trade by barter
Explanation:
This economic system is known as the oldest economic system used by humans many years before money was first printed.
In this system, individuals traded their goods for another good that they wanted. It was not uncommon to see people trade copper for wheat or to trade a donkey for a dove.
This system made people to give out what they had (which they usually had in excess) for what they wanted.
- Jose de San Martin (1778 - 1850) - Argentine general, leader of South America's uprising against Spanish governance. He's a national hero in Argentina, Chile and Peru.
- Miguel Hidalgo (1753 - 1811) - a Catholic priest from Mexico, who have taken leadership of Mexican War of Independence. He became one of the primary causes of the uprising against Spanish governance.
- Toussaint L’Ouverture (1743 - 1803) - leader of the uprising against French governance on Haiti. He changed the course of slavery in the New World making slaves independent on Haiti.
A way for fugitive slaves to escape to Canada.
ST + TU = SU, because 36 + 64 = 100 (ST)2 + (TU)2 = (SU)2, because 102 + 62 = 82 ST + TU = SU, because 102 + 62 = 82 (ST)2 + (TU)2 = (SU)2, because 36 + 64 = 100
