When a political party comes to power, its leaders tend to place many of their faithful followers into important public offices. The use of public offices as rewards for political party work is known as the "Spoils System." The system is popular in numerous nations.
Answer:
C Trade between Europe and Asia increased.
Explanation:
The Indian Removal Act of 1830
Elaborate drainage system
The harappan civilization is also known as the Indus river valley civilization. known as the earliest producers of cotton, the city featured an elaborate drainage system, which could have been necessitated by prosperity and effort to control the outbreak of river-line diseases.