How are the majority of the current national borders in Africa determined

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

Risk of harm in social and behavioral sciences generally fall in three categories, which are: breach of confidentiality, loss of autonomy, and study proceduresstudy procedures, breach of confidentiality, and loss of employmentinvasion of privacy, adverse reaction to study drug, and discriminationinvasion of privacy, breach of confidentiality, and study procedures

The missouri compromise angered because congress had allowed slavery to expand into another state. 1.) thomas jefferson 2.) northerners 3.) white southerners 4.) henry clay