Why did many workers participate in strikes after ww1

Probably in order to obtain better working conditions. Think safety, limits on hours they could ask you to work, healthier work environment. They could also have been looking to get paid more.

Explanation:

donald carl johanson (born june 28, 1943) is an american paleoanthropologist. he is known for discovering – with yves coppens and maurice taieb – the fossil of a female hominin australopithecine known as "lucy" in the afar triangle region of hadar, ethiopia.

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i googled "who was kolson johanson" and this is the answer i found.

sorry if this is incorrect.

it was the "4. potsdam" conference that demanded the unconditional surrender of japan, since it was clear that the japanese would continue to find until the very last man otherwise.