3. which of these statements is true about third parties in the united states?
a. they are encouraged by the constitution
b. they are prohibited in most states
c. they win most congressional elections
d. they introduce alternative political ideas

The third political party is the one that comes after the government and opposition parties and plays a significant role in politics. People in the third-party frequently orbit around powerful people, and they provide them with other ideas for executing and running power.

The other options are incorrect as:

Thus, Option D is correct about third political parties.

For more information about third political party refer to the link:

link

Answer:

D. They introduce alternative political ideas

This statement is true about third parties in the united states

Explanation:

Third political party is the party which come after the ruling party and the opposition party and they play a major role in the politics. The people of the third party most often revolve around the influential people and they give them alternate ideas to execute and run the power. They function in a more effective way and they often influence others with their new ideas to be imposed on the government and make them to power.

cuba is a multi-ethnic nation

unlimited governmental powers

explanation:

unlimited governmental powers was not a feature of the new state governments. state governments in the u.s. are structured in the same way as the federal government, with executive, legislative, and judicial branches.