U. S. laws require equality in the workplace for all employees. U. S. citizens who take a job in Germany cannot sue their German employer under the provisions of U. S. law for failure to provide equal opportunity for them. This exemplifies the:

a. doctrine of comity.
b. act of state doctrine.
c. principle of sovereignty.
d. nationality principle.

The given excerpt exemplifies the principle of sovereignty.

Option c

Explanation:

The principle of sovereignty states that government have the right to rule themselves. Sovereignty principle is referred to as a pivotal or vital principle of supreme authority of modern international law.

This political and social concept is a substantive term that refers to the designation of the supreme authority or dominant power. The principle within a territory depends on the structure and nature of the international legal order.

This exemplifies the Principle of sovereignty.

Explanation:

As per the principle of Sovereignty refers to the right and power of a governing body without any interference from outside bodies.

The term Sovereignty  refers to the authority of a state to govern  or a state that is self governing.

For  example :-The power of a king to rule his kingdom  is sovereignty .

U.S. laws require equality in the workplace for all employees. U.S. citizens who take a job in Germany cannot sue their German employer under the provisions of U.S. law for failure to provide equal opportunity for them. -this is a example of the Principle of Sovereignty(c)