Something that keeps goods from moving in or out

Which of the following is an effect that constantine's conversion to christianity had on the roman empire?

Which statement about submarine use in world war i is true? the allies never found a way to counter german submarine warfare. germany’s use of submarines affected the united states’ decision to enter the war. only the germans used submarines in world war i.

Based on this article, what can you infer about the role of religion in the civil war in sudan? respond in three to five sentences. use details from the article to support your statement.