It would be C. German Americans
I took the test.
The answer if anybody wanted to know it is:
D. They all used science to challenge accepted beliefs.
The answer is probably 3 because the other ones just sound ridiculous
<span>Two contradictory impulses affect the
understanding of the 20th century. One impulse highlights the century continuities.
The other one is that some observers signify a modern culture that highlights fast
and important change and the formation of very influential global contacts. </span>
