The Pre-Columbian civilizations of the Maya, Aztec, and Inca were similar in that they: (no links no viruses) if you do links I will report you! if you get it right I will mark as brainlist! please help this was due at 3:30 pm for a quiz have asked but no one helps! already late on it Turing in so please! A:lacked a strong central government.
B:showed little evidence of urbanization.
C:developed complex mathematical and calendar systems.
D:used more deadly and effective military technology than the Europeans.

How were the americans able to get the united nations involved in the korean war, even over the ussr's veto in the security council? a) the soviets chose not to use their veto in the security council because they wanted a clear conclusion to who controls korea. b) the soviets were boycotting the security council because the un refused to accept china. they weren't able to use their veto power to prevent the un getting involved in korea because they weren't there. c) the soviets vetoed the resolution on korea but they were out-voted by france, england, canada, and the usa. thus, the un entered the korean conflict. d) the united states never received clearance from the un security council to commit troops in korea. they did it anyway.