Answer:
Explanation:
They protected early civilization from most invaders, is the correct answer. The Himalayas have been shielding India from outside invaders since the early occasions.
Financing the Transcontinental Railroad<span>. The first </span>transcontinental railroad<span>, built between 1864 and 1869, was the greatest construction project of its era. It involved building a line from Omaha, Nebraska, to Sacramento, California, across a vast, largely unmapped territory.</span>
Answer:
Increase in population and desire to search for land
