Marcella is conducting a quasi-experiment that examines how childhood abuse impacts emotional perception in adults. she would like to make a casual conclusion about her data. that means marcella'a study must meet all the following requirements to establish causality.

the answer is either c or d i think its d

texas governor sam houston opposed secession, but was unable to prevent it. in this speech, given prior to lincoln's election, he presents the argument that slavery would be safer within the united states than outside of it. it was a prescient argument, and one held by several other southern leaders.

have a good day pls vote me brailyest

the correct answer is a

answer; assisted marriages;