[compulsory voting] should be implemented in the united states. which type of claim is this statement an example of?

The answer is: Policy Claim.

Explanation:

There are three common types of claims: Value, Policy and Factual.

In this case: "[Compulsory voting] should be implemented in the United States", is a Policy claim, as these attempt to persuade the government or someone else to take some action in solving a problem. The modal verb "should" is commonly used here.

The Value Claim, isn't possible as it attempts to persuade you to approve or dissaprove something, in form a fact, using the simple present, for example:

And finally, a Factual Claim isn't possible either as it attempts to persuade you that something existed, exists, or will exist, for example:

d. therefore pilots wisely train these cubs by various strategic tricks to look danger in the face a little more calmly.

c or d they are the same