He's WRONG
The answer is <em><u>50%.</u></em>
<u><em>SOS:</em></u> Approximately one-half the income in Central America comes from its exports. Half of this trade is with the U.S. and Canada; other trading partners include Europe, Mexico, and South America. The Panama Canal is very important for trade within the region.
In the western front, they used Trench Warfare Method
In Trench Warfare the opposing teams would build some sort of trench surrounding their defended area to prevent the the opposing team in invading their protected Area. It's best used as a Defensive method which require the armies to stay hold and defended their position. That's why they're not moving so much
The Answer is C it permits plate motion
<span>The reason for this activity is because of where Japan is situated, on the joint of four different plates.</span>