With the options provided, the answer to the phrase that trade union differed from the labor unions is that trade unions were organized or formed by skilled workers or workers employed in the building while labor unions are group of workers regarding if skilled or not.
I just had a paper on this. here is a quote that is pretty useful
Mao believed that in focusing on the anti-imperialist struggle, the Communists would earn the trust of the Chinese people, who in turn would renounce the KMT. From Zunyi, Mao led his troops to Loushan Pass, where they faced armed opposition but successfully crossed the river.
hope this helped
It was the "c. Kellogg-Briand Pact" that discussed global disarmament and Pacific security (although it ultimately failed), and the reason why it could be argued that the Beer Hall Pusch was a successful event in Adolf Hitler’s political career was because "<span>d. It increased his popularity among both government and public sectors," since it was such a bold move. </span>