Gandhiji visited Champaran in Bihar to inspire the peasants to struggle against oppression…..
A. English education
B. Racial discrimination
C. Plantation system
D. Revenue collection

Hint: The 1917 Champaran Satyagraha was the first Satyagraha movement which is led by Mahatma Gandhi in India and which is considered a historically important revolt in the Indian Independence Movement.

Complete answer:
Champaran Satyagraha was the first popular satyagraha movement. The Champaran Satyagraha gave direction to India's youth and freedom struggle, which was tottering between moderates who prescribed Indian participation within the British colonial system, and the extremists from Bengal who advocated the use of violent methods to topple the British colonialists in India.
Now let's see Champaran satyagraha inspire against what-
There is no connection between Champaran satyagraha in Bihar and english education. Champaran satyagraha was about farmers.
Champaran satyagraha did not inspire peasants to Struggle against racial discrimination.Gandhiji other concept of satyagraha allow us to conceptualise anti-racism and equality.
Champaran satyagraha in Bihar inspired peasants to struggle against the oppression plantation system. The farmers were protesting against having to grow indigo with less payment or many times with no payments.
Satyagraha against revenue collection is related to kheda satyagraha which were organised by gandhiji on behalf of peasants in Gujarat kheda district in 1918.

Therefore the correct answer is c. i.e., Plantation system.

Note: When Gandhi returned to India from South Africa in 1915, and saw peasants in northern India oppressed by indigo planters, he tried to use the same methods that he had used before in South Africa for organizing mass uprisings by people to protest against injustice.