True, the US Congress was active in implementing labor related legislations. President Theodore Roosevelt gave importance to the labor unions are needed to help on the collective bargaining agreements between employers and employees. The effects of The Great Depression were hard for the workers, it is a call of their duty to act on it.
A recession refers to the moment when there is a slow economic activity and people are not buying things and they are losing their jobs or they highly indebted. During this periods of time, the government usually tries to weather the recession by offering more job opportunities, decreasing taxes and spending more money in public funding. Thus, the right choice is option D. pass a law stating that Californians no longer have to pay federal income taxes.
That should be the scientific revolution. That's when people started abandoning the ideas that the church presented and they started focusing on science. It was then discovered that Earth is not in the center but rather goes around the Sun, and Newton made his laws and science and education flourished during that period.
Self pollination happens when the pollen is deposited on the same flower or another flower on the same plant, while cross pollination is the transfer of pollen from another plant on a different flower