The main purpose was to justify the Indian Removal Act.
It describes a market with plenty of buyers and firms, identical products, price takers towards firms and consumers, and no set of barriers for new firms. The prices are established through the communication of the market's supply and demand.
When Abraham Lincoln signed the Emancipation Proclamation, which banned slavery in the USA.
Answer:
Colon
Explanation:
Before giving a list you always put a colon or else it doesn't make sense
Ex: When we go to the store today we need to buy: eggs, milk, butter, and bread.