it really depends it has differnt classes and grades so all i can really tell you is it is pretty much all 2018 and 2019
Answer:
Throughout the 17th and 18th centuries people were kidnapped from the continent of Africa, forced into slavery in the American colonies and exploited to work as indentured servants and labor in the production of crops such as tobacco and cotton. By the mid-19th century, America’s westward expansion and the abolition movement provoked a great debate over slavery that would tear the nation apart in the bloody Civil War. Though the Union victory freed the nation’s four million slaves, the legacy of slavery continued to influence American history, from the Reconstruction era to the civil rights movement that emerged a century after emancipation.
Explanation:
Answer:
Answer could be, B. give it a try. sorry if I'm wrong.
Answer:
Armas nucleares, armas químicas y armas biológicas.
Explicación:
Las armas de destrucción masiva y sus efectos dañinos en el mundo a lo largo de la historia se componen de tres tipos principales que son las armas nucleares, las armas químicas y las armas biológicas. Las armas nucleares se refieren a las armas atómicas y las armas de radiación, las armas químicas se refieren a los gases venenosos y las armas biológicas son las toxinas y patógenos naturales que causan destrucción masiva y grandes daños al mundo y su medio ambiente.