How did Gandhi fight against India's caste system and support the rights of untouchables?

Ineed on 2-4 i want y’all to reply to this question so i can turn this into my teacher tomorrow

The southern states were unhappy with reconstruction. they saw it as punishment by the_? . they were also against_? 2_ , as shown by the black codes. ? 1 ? 2 radical republicans providing equal rights to men and women democrats providing blacks the right to vote moderate republicans providing women us citizen ship

The oldest known mesopotamian civilization settled in areas along river banks or sea sides surrounded by mountains and deserts which two statements explain why three geographical features led to the rise of mesopotamian civilizations