Which of the Following Events Marked the Beginning of a Period

question 7

Multiple Choice

Which of the following events marked the beginning of a period of détente, a French word that means a "relaxation of tensions"?

• A) The destruction of the Berlin Wall in 1989
• B) The antiballistic missile proposal and negotiations in the late 1960s
• C) The Cuban missile crisis of 1962
• D) The Strategic Defense Initiative of 1983
• E) The Strategic Arms Limitation Treaty of 1972

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Definitions:

Nitrogen

A colorless, odorless, tasteless gas that constitutes about 78% of the Earth's atmosphere; it is a critical element in the makeup of amino acids, proteins, and nucleic acids.

Ionic Compound

A substance made up of positively and negatively charged ions that are combined in a ratio to neutralize the charges.

Bromine

A reddish-brown liquid at room temperature, with the elemental symbol Br, and atomic number 35; it is a halogen and is used in various industrial applications.

Magnesium

A lightweight, silver-white metallic element, crucial for cellular metabolism and found in chlorophyll, often used in alloys and as a dietary supplement.