PLEASE HELPP! How did NATO benefit the member nations? A. An attack against one member was seen as an attack against all members B. A single currency was created for all members to trade with C. There were no taxes on trade between member nations D. All members agreed to share one global military force

in 1803 the louisiana purchase took place, doubling the size of the country. by 1840 almost 7 million americans had migrated westward in hopes of securing land and being prosperous. the belief that settlers were destined to expand to the west is often referred to as manifest destiny.

explanation:

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the correct answer is b, "fertility rates are increasing, so populations will grow more quickly in the future."