HELP ASAP WILL GIVE BRAINLIEST Which accurately describes the origins of Buddhism?

1-Southern India is the birthplace of Buddhism, started by a man named Mahatma Gandhi.
2-Northern Korea is the birthplace of Buddhism, started by a man named Sri Krishna.
3-Southern China is the birthplace of Buddhism, started by a man named Confucius.
4-Northern India is the birthplace of Buddhism, started by a man named Siddhartha Gautama.