Do you think the non-violence protests were successful? How do you know?

Yes, indeed, I know this because famous people known today like Mahatma Gandhi, who wanted to win a war with peace, these people have faced through a tough time to bring peace to a country or nation, but the achievement is extraordinary

Explanation:

There are also other famous non-violence protest like Henry David Thoreau, Te Whiti o Rongomai, Tohu Kākahi, Leo Tolstoy, Alice Paul, Martin Luther King Jr., Daniel Berrigan, Philip Berrigan, James Bevel, Václav Havel, Andrei Sakharov, Lech Wałęsa, Gene Sharp, Nelson Mandela, and many others.