The Endocrine system regulates the activities of the body by secreting complex chemical substances (hormones) into the blood stream. These secretions come from a variety of glands which control various organs of the body. The key functions are: 1  To regulate the metabolic functions of the body.
Answers.comÂ® is making the world better one answer at a time. Russia became a democracy in 1991 under the leadership of Vladimir Putin. They changed from being a communist nation and became a democratic country with Yeltsin becoming the first president.
After the Russian Revolution, Ukraine declared its independence from Russia on Jan. 28, 1918, and several years of warfare ensued with several groups. The Red Army finally was victorious over Kiev, and in 1920 Ukraine became a Soviet republic.