Physical: showing physical features, valleys mountains etc.
political: shows state, county, country eyc boundaries.
The answer is: The middle colonies experienced economic growth as cities such as New York and Philadelphia became centers of trade.
When both new york and Philadelphia become the centers of trade, a lot of investors became interested to inject their capital into these two cities.
This created a lot of job opportunities in both of these cities, making the middle colonies around them to experience massive economic growth and increase in the number of modern infrastructures.
Here is an explanation of tariffs. Since I can't see the statements for this question, you can use the following information to help.
Tariffs are a tax on an imported goods. These tariffs cause the price of foreign goods to increase. Many businesses, especially in the North, like the idea of tariffs because it makes more likely that citizens will buy products made by them rather than buying products made in other countries. Ultimately, a tariff helps to protect American industry/businesses.