The French and English came to conflict in North America over

Between 1664 and 1763, the Champlain Valley witnessed a continuous struggle between the French and British Empires for control of Lake Champlain and its tributaries. ... This period came to an end after the French and Indian War, when Britain assumed control of most of France's territorial claims in North America.

Explanation:

d. direct

part a. there were 250 teenagers surveyed (100% of tenagers = 250)therefore 1 % = 250/100 = 2.5 76% = 1% x 76 = 2.5 x 76 = 190 teenagers of the 250 surveyed liked burgerspart b: jane surveyed 25% (which is equal to 50 teenagers, i.e. a quarter of the teenagers surveyed is 50) to get 100% we simply get 4 quarters, i.e. multiply 50 by 4 = 200 teenagers were surveyed by jane. part c: it is impossible to give an example where a percentage is greater than 100%, since, by definition , percentage means "per 100".