They actually played a pretty important role in early civilizations. For one, building a major urban civilization takes a lot of work. Slaves could be used for building projects to enlarge the city and its defenses, for agricultural labor to ensure that the people of the city could eat, or as domestic assistants to kings, lords, and shop-owners.
The minimum age for a member of the House of Representatives is 25 years old.
If you're a member of the Virginia House of Burgesses and you've submitted a proposal for a law that requires colonial inspectors
to place grades
<span> on different qualities of harvested tobacco</span>, then even if it passes the house it won't be effective until the Governor signs it.
The biggest one is speculation on the market. Many would buy stocks on margin, say only meeding 10% of the share amount to buy a share of stock. So great quantities of stock were able to be bought without necesarily having the money to legitimately purchase them.