Which of the following is a key component of the u. s. space shuttle program?
a. landing humans on the moon
b. designing re-usable spacecraft
c. developing medical technologies for space travel

How was the creation of money handled under the arrival of confederation

What explains the political difference among african americans politicians during reconstruction

Ahistorian has discovered a letter written by an early roman emperor. she translates the letter and discovers that it contains orders to a general before a battle. she works to determine when the letter was written to figure out which battle the letter references. the historian in the passage is most clearly demonstrating which historical thinking skill? a. identifying causes and historical contextb. thinking chronologicallyc. making and evaluating arguments and interpretationsd. analyzing historical sources