The "Progressive Movement" and instigation of "strikes" <span>allowed labor unions to participate in collective bargaining with business mangers, since this put a great deal of pressure on their employers. </span>
China, Hong Kong, Vietnam and many other small countries
Key events:
1918: world war I ends.
1920: nineteenth amendement ratified.
1928: Herbert Hoover elected president.
1929: Stock Market Crash.
1930: Hawley Smoot Tariff passed.
1932: Franklin Roosevelt elected president.
1933: New Deal begins.
Hope this helps.
I think the correct answers from the choices listed above are the first and the last option. The two disadvantages that the colonies faced in starting a war with england would be that lack of money and equipment and the lack of organization. Hope this answers the question.
Secondary; The events are 100 years apart. There is virtually no chance of it being primary.