I think the correct answer from the choices listed above is option B. Boreal forests in Siberia Russia are most similar to the <span> region stretching from Alaska to Newfoundland. Hope this answers the question. Have a nice day. Feel free to ask more questions.</span>
The purchase of Alaska in 1867 marked the end of Russian efforts to expand trade and settlements to the Pacific coast of North America, and became an important step in the United States rise as a great power in the Asia-Pacific region.