Answer:
It suggests that the rapid transfer of plants, animals, and disease may have unknown effects.
Explanation:
In this text, the author tells us that the way plants and animals are transferred globally nowadays is an event that has never been seen before in the history of the world. The author uses this phrase to show how unprecedented this event is. The purpose of showing this is that it suggests that such a transfer might have effects that we cannot imagine or predict.
This was the first peacetime conscription bill enacted in the USA, requiring all men between 21 and 45 to register for the draft. It was drafted before the US joined WW2, and was part of a plan for the US to be prepared if war ever did break out, as it did.
Answer:
1867: Alaska territory purchased from Russia for $7 million. 1898: Hawaii annexed as a United States territory. 1959: Alaska and Hawaii admitted, respectively, as the 49th and 50th states of the Union.
Explanation:
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