Which of the following territories was purchased by the united states in 1867 for $7.2 million (2 cents per acre)?

Alaska

Explanation:

   On March 30, 1867, US Secretary of State William H. Seward agreed to buy Alaska from Russia for about $ 7.2 million. We may even consider that the price the Americans paid was a “bargain” when considering the approximate area of 1 600 000 km² of land acquired.

    The main reason why the rulers wanted this land so badly was that its annexation would increase the size of the US by almost 20%. After many conversations and discussions that supposedly took a whole night, the United States and Russia finally signed the deal at dawn on March 30.

b.letter b

explanation:

bacteria – a word that often brings out a sense of uneasiness in most of us are, in fact, one of the earliest forms of life. it can be quite unnerving to know that there are bacteria all over your skin, hair, and even inside the body. but only a few species of bacteria are dangerous. the majority of bacteria are good, and without them, life on earth wouldn’t be possible. let’s learn more about how are bacteria essential for you to survive.