The acquisition of Ukraine in 1654 happened under the treaty called the __ a. Treaty of Brest-Litovsk b. Budapest Memorandum c. Treaty of Pereyaslav d. Akt Zluky

## Step 1<br />The question is asking about a specific historical event, namely the acquisition of Ukraine in 1654. This event is significant in the history of Ukraine and Russia, as it marked the establishment of the Russian Empire's control over Ukraine.<br />## Step 2<br />The options provided are all treaties, but they are from different time periods and contexts. The Treaty of Brest-Litovsk, the Budapest Memorandum, and the Treaty of Pereyaslav are all significant treaties in history, but they are not related to the acquisition of Ukraine in 1654.<br />## Step 3<br />The correct answer is the Akt Zluky, also known as the Union of Lublin. This treaty was signed in 1654 and marked the establishment of the Russian Empire's control over Ukraine. The treaty was signed by the Polish-Lithuanian Commonwealth and the Russian Czar, which allowed the Russian Czar to control the eastern parts of the Commonwealth, including Ukraine.