How was Ronald Reagan's foreign policy the result of previous United States policies?

Although a number of things brought about world war one there was one even that push to europe over the edge. what was that event?

Each of the following countries was part of the big four at the paris peace conference except a. russia b. italy c. germany d. britain

All of the following were weaknesses of the articles of confederation, except: a) the central government was not permitted to regulate state, interstate, or foreign trade. b) the central government was not permitted to borrow money. c) the central government had little ability to regulate money. d) the central government had no ability to tax.