<span>C.
Slavery is justifiable and good for blacks.</span>
Answer:
1. The ruler will not keep an army of his own.
2. British troops would be stationed permanently in the Indian ruler's territory.
3. The ruler would have to pay for the maintenance of these troops. The payment could be made in cash or kind, or by ceding a part of the ruler's territory.
4. It was compulsory for the Indian ruler to house a British resident in his court.
5. The ruler could not employ any non-British Europeans in his service or dismiss those who were there.
6. The ruler had to acknowledge the dominion of the British.
King James I granted the Virgina Company a royal charter for the colonial pursuit in 1606.
Answer:In 1947, Salk took a position at University of Pittsburgh, where he began conducting research on polio, also known as infantile paralysis. By 1951, Salk had determined that there were three distinct types of polio viruses and was able to develop a "killed virus" vaccine for the disease.
Explanation: