I believe the answer to be A, but I only believe it is correct
<span>2,575 years passed between 3100 BC and 525 BC. Calculation of years in the BC era is found by taking the earlier date, or larger number, and subtracting the later or more recent date, the smaller number. 3100 - 525 = 2,575 years.</span>
Answer: slavery by descent and chattel slavery.
Government-forced labor and conscription.
Prison labor.
Bonded labor.
Forced migrant labor.
Sex slavery.
Forced marriage and child marriage.
Child labor.
Explanation
Hope this helps.
My guess is b. Muhammad tughluq...... Sorry if it's wrong but I really think it is b.