Tutor and Freelance Writer. Science Teacher and Lover of Essays. Article last reviewed: 2020 | St. Rosemary Institution © 2010-2021 | Creative Commons 4.0

Slavery & African Americans After The Civil War (1865- 1872)

In 1865, after the Civil War, the long process of Reconstruction began. Congress passed new laws to give African Americans freedom. First, they passed the Thirteenth Amendment which officially ended slavery. Congress then created the Freedmen’s Bureau to help the recently freed slaves. After President Abraham Lincoln was assassinated, the Fourteenth and Fifteenth Amendments were…

Great Sioux War, Battle of Little Bighorn, Ghost Dance War

About the Lakota Sioux Seven Native Americans bands of the Great Plains1 Western-most of Sioux groups, occupying The Dakotas (North and South)1 Treaty of Fort Laramie 1851 Government negotiated with Lakota and other tribes regarding the rights of passage for immigrants, paid by Americans $50,000 in return for this2 Natives allowed roads to be built…

Plant Taxonomy: Summary & Characteristics

Defining Characteristics of the Plant Kingdom: Multicellular Terrestrial Embryophytes Photosynthetic (almost all) Eukaryotic 4 Major Groups 1.     Non-Vascular Plants (Bryophytes and Friends) No vascular tissue – therefore must rely on surrounding moisture and osmosis to move fluids through their bodies. Small in stature, and simplistic – NO organs (roots, leaves, stems) (Rhizoids = root-like structures…

Why Do Ice Ages Occur: Theories

Plants Theory (recent): Given by University research team Global cooling was caused by reduction of carbon in the atmosphere due to the first appearance of plants (photosynthesis) Less greenhouse gas (carbon) to prevent escape of infrared radiation which leads to cooler temperatures (less heat trapped) Plants (ex. moss) extract calcium, magnesium, phosphorus and iron which…

Global Warming: Effect on the Atlantic Conveyor Belt & Consequences

What is Happening? The Greenland ice sheet is melting. The ice sheet melting will result in less saline (less dense) water entering the North Atlantic Ocean and floating on top of it instead of sinking, causing less and less deep water currents to moderate the globe’s climate, especially Northern Europe’s. Deep water currents are mainly…