6 The astronomers of Babylon mapped I
F. the irrigation canals.
H. the nearby mountains.
G. the ocean currents.
I. the stars and the planets.
Please help me I don't understand

a historian researching the immigration policies of the early 1900s would expect a source written today,rather than in 1910 to :

( a ) be more interested in objective data and statistics.

answer placeholder because the system is messed up

the space race was a battle to make advanced technology to get to the moon and to get a better understanding of space.

independent innovation during the abbasid caliphate