They both discouraged contact from outsiders.
Answer:
1. Surgery
Around the year 1,000, the celebrated doctor Al Zahrawi published a 1,500 page illustrated encyclopedia of surgery that was used in Europe as a medical reference for the next 500 years. Among his many inventions, Zahrawi discovered the use of dissolving cat gut to stitch wounds -- beforehand a second surgery had to be performed to remove sutures. He also reportedly performed the first caesarean operation and created the first pair of forceps.
2. Coffee
Now the Western world's drink du jour, coffee was first brewed in Yemen around the 9th century. In its earliest days, coffee helped Sufis stay up during late nights of devotion. Later brought to Cairo by a group of students, the coffee buzz soon caught on around the empire. By the 13th century it reached Turkey, but not until the 16th century did the beans start boiling in Europe, brought to Italy by a Venetian trader.
Explanation:
https://quillbot.com/ use this link to rewrite the sentences.
To preserve a balance between and states, Congress enacted the Missouri Compromise, which allowed slavery to expand the state of Main alongside the state of Missouri but not in the rest of the Louisiana Territory.
The Missouri Compromise was a piece of federal legislation in the United States that struck a balance between northern states' aspirations to stop the spread of slavery in the nation and southern states' desires to do so.
Between July 4, 1805, and June 4, 1812, when it was renamed the Missouri Territory, the Territory of Louisiana or Louisiana Territory was an organised, incorporated territory of the United States. By a vote of 24 to 20, the Senate first approved an amendment that forbade slavery in the Louisiana Territory north of the 36° 30' latitude line, with the exception of Missouri.
To know more about Louisiana Territory refer to: brainly.com/question/10851096
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The leader makes decisions and the speaker speaks to the public for the party