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What is the definition of frontier?

A. the outer limits of what is known, explored, or settled
B. The limits of people settling in big cities.
C. Colonies settling on islands
D . Settlers killing people for land

2 Answers

4 votes

Answer:

A

Step-by-step explanation:

answered
User Mohammad Misbah
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7 votes
A. the outer limits of what is known, explored, or settled
answered
User Raga
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8.3k points