These are the some of the similarities and differences of Olmec and Maya civilization:
Similarities:
They both settled in the lands of Mexico.
They are deeply religious and built pyramids.
Differences:
Unlike the Maya, Olmec did not build large cities.
Maya lasted much longer than the Olmecs.
The USSR and other Warsaw pact nations invaded
Answer:
A. Attacks on trenches were deadly.
C. Defensive weapons were better than offensive ones.
D. Trenches were designed for defense.
Explanation:
The Answer is C "St. Domingue", hope this helps :)