The Royal Proclamation of 1763
Answer:
Spain.
Explanation:
On May 8, 1541, south of present-day Memphis, Tennessee, Spanish conquistador Hernando de Soto reaches the Mississippi River, one of the first European explorers to ever do so.
the answer is 2 strides because 5+2 =7
The question is posted in Wrong subject category. Anyways, the solution is stated below:

The base on both sides are same i.e. 6. For the equation to be true, the exponents(powers) must also be the same. So this means
Therefore, answer to this question is x = 1
It would be false because the main sources are provided from the sea especially in western Europe where they eat a lot of sea food