The believed at the federal government should possess strong powers not specifically

I believe you're referring to federalism. Anti-federalism was the belief that there should be a weak central government, and federalism was the belief there should be a strong central government. The Federalist Papers are a good example of this.

Article 1, Section 8 includes the listed powers that are vested to Congress, which are referred to as the Enumerated Powers. However, Congress also has implied powers that are set forth and implemented through the Necessary and Proper Clause of the Constitution, which is also found in Article 1, Section 8.