Otherwise, explain why you think there is no argument in the passage. You must not be either a Democrat or a Republican. You must be a member of the Reform Party. You did not support Clinton. You must not be a Democrat.
Some people support environmental legislation and the right to life.
Many of them are conservative Democrats. This statement is not an argument. It merely reports some facts. The first sentence should not be understood as a support for the second sentence because the second sentence adds new information not present in the first sentence. Libertarians are against foreign aid.