6th grade history i mark as brainliest

Explanation:

#1 THEIR CAPITAL CITY WAS THE LARGEST CITY IN THE WORLD AT THE TIME

#2 THEY DEVELOPED THE FIRST EVER POSITIONAL NUMBER SYSTEM

#3 THEY COULD PERFORM ADVANCED ARITHMETIC CALCULATIONS AND SOLVE QUADRATIC EQUATIONS

#4 THEY WERE THE FIRST TO USE SOPHISTICATED GEOMETRY TO TRACK MOVING OBJECTS

#5 BABYLONIAN ASTRONOMY LAID THE BASIS FOR ALL WESTERN ASTRONOMY

#6 THEY ALSO LAID THE FOUNDATION FOR WESTERN ASTROLOGY

#7 THEY BUILT MASSIVE AND MARVELOUS STRUCTURES LIKE ETEMENANKI AND THE ISHTAR GATE

#8 THEY ENACTED ONE OF THE EARLIEST AND MOST COMPLETE LEGAL CODES

#9 THEY HAD A RICH AND LONG TRADITION IN LITERATURE

#10 BABYLONIA CONTRIBUTED SIGNIFICANTLY TO MESOPOTAMIAN ART AND ARCHITECTURE

Hope this helps btw I searched this upso here's link were I got it from:

https://learnodo-newtonic.com/babylon-achievements

[copy and paste it  ↑↑↑]

the answer is b. hope this !

answer; /// i do believe that the correct answer is (a); a farming tribe that settled primarily along the mississippi and arkansas rivers;