Those who gained jobs under the spoils system were often expected to contribute to the party machine. a. more jobs b. volunteer time c. votes d. a percentage of their salaries

D. a percentage of their salaries

Explanation:

This is based on the spoil system which explains or is been described as a system where campaign workers of the sitting government are been offered civil service positions as compensation to their endeavours during the campaigns/rally. This is sometimes referred to as the patronage system too. That is why jobs and government positions gained through this system are expected to contribute a percentage of their salaries. Changes in party that are in control of government sometimes also brings new government workers carrying political responsibility.

d is the correct answer.

b is incorrect because it makes food by itself

c is incorrect because us humans don't know how to produce their own food using the sun like plants.

a is incorrect because consumers can depend on carnivores for eating food for consumers to eat the dead organism. same thing with omnivores.