During the last two decades of the cold war, both the united states and the soviet union agreed to f: global protection of human rights g: allow communism to spread through asia h: a policy of nuclear disarmament i: the development of chemical and biological weapons

I: the development of chemical and biological weapons

Explanation:

Each country "fighting" this pacifistic war possessed weapons of mass destruction. Nuclear weapons, such as the AN-22 gravity bomb and the ASMP stand-off attack missile, Pluton and Hades ballistic missiles were used to threaten each country.

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explanation:

the addition to geographic boundaries that might have  kept the people of the huang river civilization from traveling to far distance region is that they had learned about the other river valley civilizations but feared contact would bring invasion.

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