Here are the answers to your questions based on the American System:
**Question 1: The American System can BEST be described as a ___ plan.**
**Answer:** A. economic
**Question 2: The MAIN purpose of the protective tariff was to __________.**
**Answer:** D. encourage domestic industry
**Question 3: The issue of building roads and canals could be said to boil down to which issue?**
**Answer:** B. Federalism
If you have more questions or need further assistance, feel free to ask!