In western europe and north america, scientists began to understand the causes of infectious diseases at about what point in history?

The correct answer is a) 1850.

In Western Europe and North America, scientists began to understand the causes of infectious diseases at about 1850.

Scientist in Europe or The United States could better understand the nature of some diseases with the help of better technology and instruments. They started to understand that infectious diseases were disorders caused by organisms. These microorganisms were viruses, bacteria, parasites, and fungi. They understood that these diseases were contagious and could be transmitted by humans, animals, and insects. They also understood the human body reaction to these diseases and the medicine to cure them. For instance, in the mid-1850s, they discovered that Vibrio Cholera was transmitted by contaminated water. The bacteria embeds in the intestinal tract.

The other options of the question were B) 1650, C) 1950, and D) 1750.

the answer is c.

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one of the main reasons was definitely slavery. back in 1861, republican abraham lincoln was elected and ended up being a major influence in the slavery business. slavery greatly affected the texas economy because back in 1845 during the annexation of texas, slaves became a big part of the texas population. many texans that were in favor of the secession influenced groups through party ties.