According to historian 1 (kaminski) was slavery a problem why or why not

According to Kaminski, slavery was not an issue. Kaminski argues that the idea of getting rid of slavery was not a thought at the time of the Constitutional Convention and that they wanted to ensure a prosperous society, and in that society all private property- including slaves- were secure.

the correct answer is the following is a list of inventions made in the medieval islamic world, especially during the "islamic golden age" (8th to 13th centuries),[1][2] as well as the late medieval period, especially in the emirate of granada and the ottoman empire.

science and technology in the islamic world adopted and preserved knowledge and technologies from contemporary and earlier civilizations, including persia, india, china, and greece-roman antiquity, while making a number of improvements and innovations.