B. relied heavily on the concept of natural selection is my best bet
When the Northern Hemisphere is tilted toward the sun, latitudes between the equator and 90°N (the North Pole) are experiencing summer. At the same time, the Southern Hemisphere is tilted away from the sun and experiencing winter.
Except D. TRADE DEFICITS.
Trade Deficit or Net Exports is an economic condition wherein the country is importing more goods than it is exporting. The deficit is equal to the value of goods being imported minus the value of goods being exported, and it is given in the currency of the country in question. Trade deficit is an economic measure of a negative balance of trade.
Trade Deficit: where importation > exportation
Deficit = $goods imported - $goods exported
Chief Pontiac formed a league of different tribes to form an alliance. They would defend each other. It was called the Iroquois League. Pontiac's alliance suffered a major defeat in the French and Indian War and soon after, it collapsed.