I would say b but sorry if it is rong
Mendel gets his due eventually
The chromosome theory of inheritance, or the idea that we receive a combination of traits from each parent carried on a set of distinct pairs, was proposed in 1902 and was the first study to rely heavily on Mendel's ideas of dominant and recessive traits.
Create the missouri compromise
<span>One of the most significant impacts of U.S. foreign economic policy during the later 1920s (especially in 1929) was that the Great Depression worsened, since the US withdrew from international markets, which greatly reduced the GDP of many European countries.</span>
A and D are most possible answers. But I think A is the best solution