Answer:
william h. seward secured the purchase of alaska from:
Explanation:
B is correct. Ever wondered why ice floats in water?
The planets move eastward against the background of fixed stars with the exception of Venus, Uranus and Pluto moving westward as seen in Earth's sky . This apparent retreating movement is called Retrograde motion. It is illusion created by Earth's movement going by outer planets in their respective orbits.
I believe that it is the first one just a guess tho. So don't trust me, just in case
He preformed the first ever successful open heart surgery