What did the discoveries of Louis Pasteur and Robert Koch help reduce in the late nineteenth century?

A) overcrowded housing in cities
B) deaths from infectious diseases
C) use of anesthetics in surgeries
D) racism toward colonial subjects


B

History

You might also like to view...

The Watergate crisis revealed all of the following EXCEPT

a. Richard Nixon was driven by an overwhelming urge for power. b. many members of the administration had broken the law. c. special prosecutors can function independently of the White House. d. the separation of powers could no longer rein in a power-hungry president.

History

The Washington D.C. home for working women was the ________

Fill in the blank(s) with correct word

History

All of the following was true about the Peloponnesian War except

A. the foundation of Athenian strategy, initially, was the exploitation of its naval power. B. the foundation of Spartan strategy was the exploitation of its strength in fighting face-to-face military confrontations on land. C. a plague killed one-third of the population of Athens. D. the ultimate result of the war was a unified Greece headed by the city by Thebes. E. Athenians were defeated and their city wall torn down.

History

Whose goal was to establish a "Heavenly Kingdom of Supreme Peace"?

a. Guangu b. Emperor Kangxi c. Lin Zexu d. Hong Xiiuquan e. Empress Dowager Cixi

History