The first antibiotic was made because of properties discovered in a certain type of
a. blood.
b. mold.
c. spider.
d. herb.

The answer is B: mold.

The history of the first antibiotic —penicillin— revolves around observations and discoveries that date to ancient societies and that evolved during the centuries, although, in hard scientific terms, it was Alexander Fleming, a Scottish microbiologist, who first suggested that a form of Penicillium mold secreted an antibacterial matter. Fleming then went on to synthesize the active substance behind this antibacterial and he called it penicillin in 1928.

they were unable to pay their debts

the east coast has nothing to do with the dust bowl, the dust bowl killed a full year's worth of crops in seconds, and with the dust on the land, the land would be worthless.   furthermore the farmers couldn't  get  out of their houses due to the dust so when the bank came to collect money, farmers couldn't  pay it

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