During this time humans used stone to make tools and stone was used many times as part of the actual tool. Tools are objects that make our lives easier. A computer or smart phone are examples of modern-day tools. Paleolithic is a word that comes from the two Greek words palaios, meaning old, and lithos, meaning stone.
Even without complete isolation, the infant monkeys raised without mothers developed social deficits, showing reclusive tendencies and clinging to their cloth diapers. ... Harlow's work showed that infants also turned to inanimate surrogate mothers for comfort when they were faced with new and scary situations.
Answer:
The answer is Social Justice Warrior.
Explanation:
As the passage explains, the term originated in the nineties as a compliment. It was used by the Montreal Gazzette to describe Québec activist Michel Chartrand. At present, the term is used to make fun of people who expose their progressive views online, especially when it's evident they don't <em>really</em> hold their views, but pretend to do it for validation.
I think that railroads helped because people could get their goods faster and people could send out more goods across America.