How did President Truman guard against communist spies in America?

(1 point)
Responses

He set immigration quotas on all people from Eastern Europe.
He set immigration quotas on all people from Eastern Europe.

He made all communist-related activities illegal in the United States.
He made all communist-related activities illegal in the United States.

He ordered the investigation of government workers to determine their loyalty.
He ordered the investigation of government workers to determine their loyalty.

He set up a committee led by Joseph McCarthy to investigate communist activities on American soil.
He set up a committee led by Joseph McCarthy to investigate communist activities on American soil.

He implemented loyalty tests for government employees and introduced the Loyalty Review Program to investigate and remove suspected communist sympathizers from positions of influence.

pick one

He ordered the investigation of government workers to determine their loyalty.