I believe the correct answer would be Japan.
His unknown secret weapon was disease.
When Cortez and his army invaded aztecs, a couple of his men were infected with smallpox.
Since the aztecs did not possess any immunity for it, the majority of their people were weakened by the disease, which make it easier for cortez army to conquer their region.
Reduce the price, change the logo or stop selling altogether
C. They were cities in Japan where the US dropped atomic bombs
Hiroshima
City in Japan, the first to be destroyed by an atomic bomb, on August 6, 1945. The bombing hastened the end of World War II.
Nagasaki
Japanese city devastated during World War II when the United States dropped the second atomic bomb on Aug 8th, 1945.
Tectonic plates are apart of Earths crust?