Who wrote this that on the first day of january, in the year of our lord one thousand eight hundred and sixty-three, all persons held as slaves within any state or designated part of a state, the people whereof shall then be in rebellion against the united states, shall be then, thenceforward, and forever free; and the executive government of the united states, including the military and naval authority thereof, will recognize and maintain the freedom of such persons, and will do no act or acts to repress such persons, or any of them, in any efforts they may make for their actual freedom..

This text was written by President Abraham Lincoln, as part of his Emancipation Proclamation.

Step-by-step explanation:

The Emancipation Proclamation was announced by President Abraham Lincoln on September 22, 1862, during the Civil War. In this, all slaves in the southern states that formed the Confederation were declared free from January 1, 1863. However, states that voluntarily rejoined the Union before the end of 1863 were promised to retain slavery.

In 1865, the Thirteenth Amendment was added to the United States Constitution, which prohibits slavery and involuntary servitude except as punishment for the commission of a crime.

v = 1/3 a^2h

step-by-step explanation:

the volume is 1/3 a^2h.

i’m here for points.