The answer is D. they secretly sent supplies to Americans
Answer: B.) Went extinct
Explanation:
Neandertals were a subspecies of the the ancestors of modern humans and they occupied Eurasia while they were alive up to 40,000 years ago.
It was originally thought that Europeans may have descended from them but this was found not to be true even though traces of their DNA exist in very small quantities in Europeans. Rather they went extinct due to multiple factors including possible conflict with modern humans.
Answer:
They created the Trade-union movement to better their collective action
Explanation:
unsafe places where workers were not lit & put in long hours for low pay.
The United States choice to give military help to France and the Associated States of Indochina was come to casually in February/March 1950, supported by the President on May 1, 1950, and was reported on May 8 of that year.
The choice was taken notwithstanding the U.S. want to keep away from direct association in a pilgrim war, and notwithstanding a detecting that France's political-military circumstance in Indochina was awful and was disintegrating.
Also, expectations that U.S. help would accomplish a stamped distinction over the span of the Indochina War were intensely qualified.
The circumstance in which the choice was made was totally overwhelmed by the assume control of and union of intensity in China by the socialists.
Patriot Chinese powers had been pulled back from terrain China and Communist Chinese troops had touched base on the outskirt of Indochina in late 1949.
This period was the high water characteristic of U.S. fears of direct Chinese Communist intercession in Indochina. hope this helps :D