In the south, many enslaved people reacted to the emancipation proclamation by

joining the confederate military.
staging work slowdowns.
relocating to the border states.
offering to become union spies.

Answer

By joining the Confederate military.

Explanation

The Emancipation proclamation declared that all people who were held as slaves within the rebellious state were set free. The main purpose of  the Emancipation Proclamation was to encourage rebellious states to rejoin the Union. It led to the total abolition  of slavery in the states. Emancipation Proclamation specifically permitted free African Americans to enlist in the Union Army And Navy.In the South, many enslaved people reacted to the Emancipation Proclamation by joining the Confederate military which was the land force of the confederate states of America during the civil war.

uses : -

1.aneroid barometers primarily measure whether pressure is rising or falling.

2.aneroid barometers are often used for reading pressure in homes and recreational boats.  

3.other uses may include barographs in meteorology and altimeters in modern aircraft.  

4.this type of barometer can announce whether a high or low pressure system is coming or whether it is becoming more intense.  

5.there are different types of aneroid barometers, such as the altimeter, which measures altitude, or distance above sea level.  

6.another example is a barograph, which is a modified aneroid barometer that provides constant readings of atmospheric pressure on graph paper.  

7.when used in this capacity, the aneroid barometer can store a week's worth of data.

android diameter a device for measuring atmospheric pressure , often specially calibrated for use as an altimeter ,consisting of a box or chamber partially exhaused of air, having an elastic top and a pointer to indicate the degree of compression of the top caused by the external air

refer to the attachment for the characteristics : -

answer; the president uses mass media to gain support for policies;