Answer: Germany
Explanation: Germany seting the comands of unrestricted sumbarine warfare was one reason, unrestricted sumbarine warfare sunck any ships aiding the allies. A nother factor was the Zimmermann Telegram which germany sent to mexico to invade the united states.
It started a period of violence known as bleeding kansas
The factor that benefited the Republican Party in the 1970s was: <span>reaction by some white southerners to passage of civil rights laws
Back then, the southerners still haven't supported the equal civil rights laws for the minority citizens. This massively decreased Kennedy's support that became the Republican main opposition during that time.</span>
Answer:
The Soviet Union began to secretly install missiles in Cuba to launch attacks on U.S. cities
Explanation:
