Explanation: Judicial Review acts as a check on Congress by ensuring that the actions of Congress are within the acceptable boundaries set forth for Congress under the US Constitution. This ensures that Congress doesn't overstep.
Answer:
Blockade
Explanation:
Basically blocking supplies from going in. From either allied ships or trade.
For a free market economy, having no external regulation over the prices and production of goods (in terms of amount of goods) other than those exhibited by the market itself is usually considered to be the main characteristic.
It would be between increased population, a steady stream of agricultural production, and technological advancements. As for the most important one of those three; that would be agricultural production.
1. 22 million
2. 3 million
3. northeners
4. free southeners
5. 9 million