What were the benefits of purchasing alaska? select three options.

the cost of alaska at two cents per acre was a great deal.
it increased the size of the us by nearly 20 percent.
the weather made it a great resort location for the summer months.
it provided access to significant natural resources.
it provided an opportunity for a closer trade relationship with russia.

B, 'It increased the size of the US by nearly 20 percent.' D, 'It provided access to significant natural resources.' and E, 'It provided an opportunity for a closer trade relationship with Russia.'

Explanation:

The increase in size was an obvious benefit, and more trade with Russia was a given. Alaska's abundant oil supplies were also a great boon.

While A and C are correct as statements, they are not outright benefits presented by Alaska's purchase.

it proved indian land claims were unjustified.