What parties became the chief rivals starting in the 1850s

What are economic systems and how do they differ?

What amendment limits the government's power to take away individual liberties -first -second -ninth -all of the above

Explain the reasons for u. s. neutrality during the 1920s and 1930s. how did ideas about neutrality change during the period from the end of world war i to the passage of the lend-lease act? be sure to include any events, terms, or people that may support your response.