The formal system for classifying and naming organisms was developed by louis pasteur. carolus linnaeus. aristotle. ignaz semmelweis. robert koch.

The service industry in the united states grew in the late 1800s. what was one effect of that growth? the number of people with jobs in factories as unskilled workers decreased. the number of people with jobs in factories as unskilled workers increased. the middle class grew as people took jobs as clerks, lawyers, and teachers. the middle class shrank as people left jobs as clerks, lawyers, and teachers.

What are consistent goals of u.s. foreign policy? equality between men and women education for all children life, liberty, and the pursuit of happiness spread of democracy and capitalism

According to the excerpt, what were the causes of world war 1? check all that apply. 1. russia’s mobilization 2. the spread of disease 3. the assassination of the archduke 4. imperialism and expansion 5. the growth of britain’s naval forces