Why did the united states and the soviet union install a “hot line” telephone system?

The United States of America and the Soviet Union installed a "hot line" for the purpose of faster communication between the heads of states of the two countries. Before the "hot line" was implemented in June of the year 1963, any communication between the leaders of the two countries took a long time and this could result in starting of a nuclear war at any time. To avert such dangerous situations the leaders of the two countries came together to start this system. The importance of the system was felt by both countries during the Cuban Missile Crisis in the year 1962.

The correct answer is A) transported its waters.

The Persian Gulf is more at risk for oil spills than other areas because oil is transported in its waters.

The Persian Gulf region is a real treasure for the oil reserves and production capacity. This Middle East region of the planet is one of the richest in oil reserves. Experts consider that oil reserves are 728 billions of barrels. This represents more than 50% of the reserves in the globe. Almost 18 million barrels are transported daily through the Persian Gulf waters and cross the Strait of Hormuz. That is why The Persian Gulf is more at risk for oil spills than other areas because oil is transported in its waters.