Can I please get some help? I need the answer FAST

In the first half of the 20th century,literacy tests,poll taxes, and grandfather clauses were passed by the southern states in order to

How does a comet change when it comes close to the sun

Kublai khan honored his mongol heritage by: a)marring only one wife b)praying facing mecca five times a day c)slaughtering ten chinese officials every year d)building a large enclosed hunting ground at shangdu,his summer palace