This is true. The best can be seen on examples such as the great depression which led to numerous other issues, while the roaring twenties when everything was calm and sound were also very politically stable for the lives of Americans.
C. increased job opportunities :)
<span>High concentrations of iridium, of extraterrestrial origin, shocked quartz, evidence of fire, tsunami deposits, a fern spore spike, indicating colonization of disturbed landscapes by ferns, and the large Chicxulub impact structure in the Yucatan, dated to c 65 mya--about the same time as the end of the Mesozoic.</span>
Dalit means "oppressed" (option b).
the origin of the word is in Marathi, and it's what they call themselves. By others they are called "untouchables"/