Maya used place value and zero in mathematics.
The Maya civilization was a Mesoamerican civilization developed by the Maya peoples, and prominent for its logosyllabic script, the most sophisticated and highly developed writing system in pre-Columbian Americas, along with its art, architecture, mathematics, calendar, and astronomical system. The Maya civilization developed in an area that comprised southeastern Mexico, all of Guatemala and Belize, and the western portions of Honduras and El Salvador.
No, it is false that first battle at Bull Run (Manassas) convinced the Union Army they could defeat the Confederates, since this battle ended with a Confederate Victory.
Missouri Compromise was a plan agreed upon by the United States Congress in 1820 to settle the debate over slavery in the Louisiana Purchase area. The plan temporarily maintained the balance between free and slave states. ... Slavery was legal in the Territory of Missouri, and about 10,000 slaves lived there.
It provided affordable electricity for isolated rural areas. What problems did students and other young people face? They were unemployed (didn't have jobs), they were poor (poverty), they felt hopeless and had loss of dignity (did not respect themselves) and didn't have spending $$.
