Help me out with this question?

About 250 million years ago, at the end of the Permian period, something killed some 90 percent of the planet's species. Less than 5 percent of the animal species in the seas survived

Explanation:

answer is 1935

because gandhi led a march the sea in 1930 and 5 years later he did it again

to act quickly in times of danger to the united states

because you have to act quickly if you want to live/survive.