The conflict in mexico died down when a greater conflict was imminent. what was that conflict

When did paul zoll develop cardiac pacemaker

Why did the crew of the zong ship throw some captive africans overboard? a. there was not enough space in the ship. b. the captives’ deaths were covered by insurance. c. the ship did not have adequate food. d. the ship did not have sufficient crew to care for the sick captives. e. the african captives rebelled against the crew.

Why caused john quincy adams to write the monroe doctrine?