The policy of glasnost allowed for unlimited freedom of the Russian press.
criticism of government officials.
government control of the press.
total revision of Russian history.

Correct answer is criticism of government officials.

Explanation:

Unlimited freedom of the Russian press is not correct because although certain freedom was introduced press was still controlled by the country.

Second option is correct because Gorbachev who ruled back then in Soviet Union believed that institutions need to be more transparent and that officials are not allowed to do everything they want.

Third option is wrong because of similar reasons as the first one.

Fourth is not correct although period of Stalin's reign came into spotlight, and many things changed in contrast to that.

its B

Explanation:

chemicals that are toxic to plants

capitalism is an economic system that works around the concept of wealth creation in the pursuit of economic growth for the nation while mercantilism focuses on wealth accumulation through extraction of wealth which they believe is measured by the amwount of gold bollions that the nation has in its possession.