Answer:
D: a revolution in Russia
Explanation:
The Bolshevik Revolution in Russia, which led many to fear that immigrants, particularly from Russia, southern Europe, and eastern Europe, intended to overthrow the United States government; The end of World War I, which caused production needs to decline and unemployment to rise.
Answer: Martin Luther believed in a) salvation through faith in God's forgiveness (not in God's works), b) Church teachings based on Bible, Pope, and Church tradition were false authorities, c) all people with faith were equal; people did not need Priests to interpret the Bible, d) he rejected 5 of the 7 sacraments because the bible didn't mention them, e) he simplified the mass and emphasized the homily (sermon), and f) permitted the clergy to many.
Explanation: I hope this is what you're looking for!