Answer:
The Germans used mustard gas for the first time during war in 1917. They outfitted artillery shells and grenades with mustard gas that they fired in the vicinity of the troop target.
The Invisible Slaves
Explanation:
The three fifths compromise was made for voting and the number of seats the state would have so they would only count 3 put of 5 slaves so that way they could get more voting numbers than if they counted all the slaves, because the number of slaves outnumbered the people who weren't slaves
"Invisible" because they would act like those slaves were not real to get advantages on voting and politics
The likely effect of such trail lines that were left by pioneers migrating to the west were that people who moved there afterrwards were able to derive information regarding where it was relatively safe and where territory has been charted and mapped before. This enabled a little certainty in areas of great danger.
Mayor of the palace ( chief administrator)