Danielle has an excessive, unrealistic fear of shopping in crowded stores and walking through crowded streets. she has

During the late 19th century, russia's settlement and development of siberia was made possible by the invention of the

The development of simple stone tools by early hominids led to the ability to procure meat more efficiently. this in turn led to the change in diet that included larger amounts of protein. many scholars believe that this shift in diet was a significant part of how our ancient ancestors adapted so quickly to a varied set of environments, and thus were able to begin cultural development. this demonstrates the intimate connection between

Does increased security engender feelings of increased safety or does it increase the fears that people have?