(C)How did the French explorers learn how to make boats suitable for the coastal waters, rivers and lakes?

It might be said that the French explorers learnt how to make boats suitable for the coastal waters, rivers and lakes when they were at the great Lakes. They decided to build small sailing- ships to travel the entire length of the Missouri and the Mississippi River to New Orleans on the golf of Mexico. They built native birch-bark canoes and large rafts.

Explanation:

also i got that from here! from a girl named Nadra

it increased 6 percent and reached that in 1980

polling is a process and the outcome is not involved in the process itself.

the outcome, which is an unfavorable rating for a particular candidate is not affected by the mechanical process of polling.

it rather depends on the number of people voting in favor of the candidate.

this is an outcome of people's preferences.