There might be an increase in food demand.
Churchill was an effective leader and statesman because of his tremendous ability to inspire people; his unique strategic insight; his relentless passion; and his imperturbable personality.
Answer:
In the spring of 1842, John Charles was given orders from the Corps of Topographical Engineers to survey and map the emigrant route to Oregon known as the Oregon Trail. ... Frémont would complete his official orders and more, crossing into the Mexican province of California.
Explanation:
Possible sickness. And multiple death situations.