Question

context
the great wall of china is an incredible fortification that was originally built to prevent armies from invading china. the wall connects many towers or fortifications that once served as defensive shelters. warriors were given both the advantage of protection and the ability to see any advancing troops by means of this high fortification or reinforced position. though the construction of the great wall of china was finished hundreds of years ago, many parts of the fortification remain strong and solid to this day.
quiz: what is a fortification?
a. it is a new business that will provide jobs to people in a city.
b. it is a structure used to defend people from a hostile armed force.
c. it is a plan that an army has created to attack another army.
word ingredients
fort - strong, vigorous, powerful
-i- - connective
fic - make, do
-ation - act of doing something
a fortification is a castle or defensive structure that has been \made strong or stable.\
word theater
the two towers
an awesome fortification.
memory hook

Explanation:

The context mentions the Great Wall of China as a fortification built to prevent armies from invading and that it served as defensive shelters. Analyzing the word - ingredients, "fort" means strong, "fic" means make, and "-ation" is the act of doing something. So a fortification is something made strong for defense.

Answer:

b. It is a structure used to defend people from a hostile armed force.