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Colonization ruptured many ecosystems, bringing in new organisms while eliminating others. The Europeans brought many diseases with them that decimated Native American populations. Colonists and Native Americans alike looked to new plants as possible medicinal resources.
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Answer:
Tank, any heavily armed and armoured combat vehicle that moves on two endless metal chains called tracks. Tanks are essentially weapons platforms that make the weapons mounted in them more effective by their cross-country mobility and by the protection they provide for their crews.
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- EIjiro <3
Answer: See explanation
Explanation:
A labor union, orvm sometimes refered to as a labor organization is formed by workers and its role is to ensure that employees work in good working conditions and also seek to help the imorice their pay and benefits.
One common thing to labor unions is that they all share a common goal which is to help the workers in a particular industry.
Americans were divided by sectionalism and slavery, but they were united by nationalism and an optimistic belief in the possibility of improving themselves and society. These ideas were expressed in and reinforced by American art and literature.
