The correct options are
A It gave momentum to the nationalist ideology.
B It increased employment opportunities among Indians.
D It brought unity between Hindus and Muslims.
The Non-Cooperation movement brought people of all castes and creeds together. As people boycotted British products, the demand for Indian goods and services increased, leading to creating employment opportunities in India. This eventually brought confidence that India can be better off without the Britishers. However, the movement was withdrawn in 1922.