Truman implemented this in response to two threats one being a communist-led uprising against the government in Greece and two being Soviet demands for some control of Turkey's Dardanelles. It was implemented in Berlin when Truman ordered U.S. planes to fly supplies to the people of West Berlin in response to the Soviet Union's 11 month blockade on Berlin.. or something among those lines
The Europeans came into contact with African slave traders while exploring the coast of Africa.
Answer:
the United States failed to ratify this treaty.
Explanation:
When the protocol was first signed in 1997, president Bill Clinton signed alongside all the other leaders. But Congress didn't ratify it and then in 2001, President George Bush Jr rejected the treaty altogether. Bush claimed that the protocol was inefficient, but did not take any alternative measures.
The protocol went into effect in 2004, but evidence shows it has been unable to curb the emission of CO2.
In 2013 there was another attempt, but this time neither Russia nor the US ratified it.