Answer: Improved communication and better computers
Explanation:
The statement that best explains how the idea of Manifest Destiny led to the Mexican-American War would be that "<span>Mexico was a barrier to achieving what many believed was America’s destiny to expand to the Pacific," since Manifest Destiny held that the US was "destined" to expand all the way to the West Coast. </span>
Bush's Doctrine of Preemption was a foreign policy approach anchored on a unilateral approach to protecting the best interests of the United States. President Bush <span>Bush took an oath to defend the United States from all enemies, both foreign and domestic. Consequently, he adopted a unilateral approach in accomplishing these.</span>
I think its D or B sorry i don't now which one
