Ivan IV AKA Ivan the Terrible was the Grand Prince of Moscow from 1533 to 1547 CE.
Article 1, section 8, clause 18 of the construction; one of the powers of congress that allows them to make any laws that are necessary and proper for carrying out their other powers. Also called the Elastic Clause.
The great compromise because they compromise that slavery would end but the slaves wouldn't get that much in return.
The best option from the list would be "<span>d. a person accused of a felony who cannot afford an attorney is entitled to have one appointed by the court," since this was considered to be a constitutional right. </span>
<span>John Crittenden tried to find a way for the two sides to compromise just before the Civil War broke out. The compromise would have prohibited slavery from any new territories north of the 36° 30′ parallel (the southern border of Missouri), and guaranteed it in any states formed south of it. In addition, it would have made the Fugitive Slave Act permanent and executable in all the new states and territories.</span>