What was the argument of the proponents of the 26th amendment?

In the turmoil surrounding the unpopular Vietnam War, lowering the national voting age became a controversial topic. Responding to arguments that those old enough to be drafted for military service, should be able to exercise the right to vote, Congress lowered the voting age as part of the Voting Rights Act of 1970

Explanation:

the tariff was created to protect industry in the northern part of the united states. industries in the north were being driven out of business by imported goods that were priced at a low rate. the goal was to protect these industries   by taxing the goods.