Explanation:
Islamic mathematicians such as Al-Khwarizmi, Avicenna and Jamshīd al-Kāshī made advances in algebra, trigonometry, geometry and Arabic numerals. Islamic doctors described diseases like smallpox and measles, and challenged classical Greek medical theory.
Answer:
The muckrakers were reform-minded journalists in the Progressive Era in the United States (1890s–1920s) who exposed established institutions and leaders as corrupt. They typically had large audiences in popular magazines.
Explanation:
Freedom of speech (i don't know whats your question exactly).
hope this helps :)
On August 5, 1861, President Lincoln imposes the first federal income tax by signing the Revenue Act. Strapped for cash with which to pursue the Civil War, Lincoln and Congress agreed to impose a 3 percent tax on annual incomes over $800.
Answer: D
Explanation: please give me some points.
