(50 PTS!) How did nationalism, alliances, imperialism, and military build-ups contribute to the start of World War I? What alternative solutions could have been used to prevent the war beginning (based on historical evidence)?

If the ussrs economy has remained agricultural-based rather than industrial, then a. the unemployment rate among men would have been much lower b. women would have been less in demand in the workforce c. crop productivity would have led to larger , better nourished populations d. children would not have had to leave school early to work in factories