Answer:
Very many.
85% - 95% of Native Americans have died due to disease from Europe, with Europeans exploring the New Continent, and animals being brought over from Europe, most couldn't fight the diseases.
Under the Truman Doctrine, the United States became committed to helping countries that were a) fighting a Communist takeover.
Answer:
Unfortunately for these new settlers, Sir Thomas Gates, Virginia's deputy governor, bound for the colony, was shipwrecked in Bermuda and did not assume his new post until 1610. When he arrived, he found only a fraction of the colonists had survived the infamous "Starving Time" of 1609-1610. All too soon, the Mother Country learned of Virginia's woeful state. The result was predictable: financial catastrophe for the Company. Many new subscribers reneged payment on their shares, and the Company became entangled in dozens of court cases. On top of these losses, the Company was forced to incur further debt when it sent hundreds more colonists to Virginia.
