The primary purpose of labor unions throughout the industrial revolution was the request for improved working conditions. Later on, the labor unions focused and pushed for higher wages and better safety regulations.
Answer:
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Due to the columbian exchange different plant's animals and diseases were carried across the Atlantic. Potatoes, peanuts, corn and cocoa arrived in Europe from the Americas. Horses, pigs and goats were brought from Europe to the Americas. The European travelers also carried diseases, such as smallpox, that the Native American population wasn't immune too.
