Answer:
Lewis and Clark made significant additions to the zoological and botanical knowledge of the continent, providing the first scientific descriptions of many new species of animals, including the grizzly bear, prairie dog, pronghorn antelope, and mountain goat.
Explanation:
Answer: The two candidates passionately debated timely and controversial issues such as states’ rights and slavery, which touched all Americans’ lives.
Answer:
Explanation: .The citizens of every state signed petitions demanding that their leaders scribe the articles of confederation and create a new plan of government.
Pentagon Papers indicated that the United States had been secretly involved in Vietnam before its official involvement.
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