What amendment dealt with the issue of how income tax funds would be apportioned

16th ammendment 100% sure

The 16th Amendment dealt with the issue of how income tax funds would be apportioned. It allowed the Congress to levy income taxes without necessarily apportioning it to different states or even on the basis of the US Census.

This amendment was adopted in 1913. It exempted income taxes from the Constitutional Requirements of the United States of America. 

The answer b is correct this all occurred during the red scare