Answer:
a and c
Explanation: brainliest pls
John F. Kennedy was warned that the spread of communism had to be stopped
<span>Early photographer william henry fox talbot discovered how to make positive prints that could be: easily reproduced
In 1839, William Henry Fox Talbot invented The salt print paper. He combined a sensitive paper with a salty water in order to make a photographic picture appear much faster than the previous method.</span>
the contact of business people with foreign cultures I am confirming this after getting it right.
D. He revised and organized laws
