Which of the following are two forms of democracy?
a. authoritarian and totalitarian
b. direct and indirect
c. federal and unitary
d. oligarchy and autocracy

Correct answer is "B".

Explanation:

The government system that support its legitimacy on people contribution is called Democracy.

There are two types of democracy:

Direct democracy or pure democracy: When political decision is made by people directly, with the individual vote.

Each person is treated equal and they have directly influence.

Representative democracy,Indirect democracy or Republic: When representatives are chosen to make policy and laws while in charge to represent the people. Mostly of all modern democratic countries are representative.

the  seven  days  battles  were  a series of seven battles over seven  days from june 25 to july 1, 1862, near richmond, virginia,  during  the american civil war. the  seven  days ended with mcclellan's army in relative safety next to the james river, having suffered almost 16,000 casualtiesduring  the retreat.