A. love for, and devotion and loyalty to, one's nation.
B. to introduce industry into (a country, region, or the like); make industrial.
C. concern for or devotion to one's own nation, esp. desire for national progress or independence
D. a foreign policy in which a country increases its own power and wealth by bringing other territories under its control
The correct answer is D. However that does not mean that the citizens do not have a love for the home country, in fact much the opposite. They love the country so much that they wish to expand its borders and contribute to its glory.