B. He practiced horizontal Integration
What caused the development of nativism in the 1920s? ... nativists thought this meant fewer immigrants should be let in the country. some people involved in postwar disputes were immigrant anarchists and socialists, who many americans believed were actually communists.
Asked them politely to go away.
Answer:
To Jefferson, westward expansion was the key to the nation's health: He believed that a republic depended on an independent, virtuous citizenry for its survival, and that independence and virtue went hand in hand with land ownership, especially the ownership of small farms.
Explanation: