Help 20 points if you help

What is the main subject of this map? a. world war i in europe b. nazi aggression in europe c. world war ii in europe d. europe during the cold war

What event was one of the greatest factors that led to massive emigration from ireland to the united states in the mid—1800s

Persons who have not yet attained the legal age of consent under the applicable laws in the jurisdiction in which the research was approved. persons who are under 18 years of age. persons who have not yet attained the legal age of consent under the applicable laws in the jurisdiction in which the research will be conducted. persons who are under 21 years of age.