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Where did many of Germany's Jews go in an effort to escape the persecution that accompanied the Black Death?
Machine Tools
Machines used for shaping or machining metal or other rigid materials, typically by cutting, boring, grinding, or shearing.
Captains Of Industry
Refers to business leaders whose means of amassing a personal fortune contributes positively to the country in some way. This term often describes various industrialists and entrepreneurs in the late 19th and early 20th centuries.
John D. Rockefeller
was an American industrialist and philanthropist who played a pivotal role in the development of the petroleum industry, becoming one of the wealthiest historical figures and founding Standard Oil Company.
Evolutionary Fitness
A measure of an organism's ability to survive and reproduce, often influencing the traits that get passed on to future generations.