Why did some military officers object to the use of poisonous gas as a weapon? they didn’t believe it would be effective in killing enemy soldiers it was too expensive to manufacturer they thought it was an unfair and barbarous way to fight

They thought it was an unfair and brutal way to fight

Explanation:

The use of poisonous gas poses a risk threat to people. It causes serious problems in the lungs and the throat that result in mild body effects or causing death .

The weapons are also ineffective since the gas envelopes to the legs of the troops, creating body complication. This is because of the dangerous chemical used to manufacture the weapons. The chemicals are hazardous and should not be in contact with the human body since they increase the risks of body damage.

d. dr. francis collins

while it was true that the cotton gin reduced the labor of removing seeds, it did not reduce the need for slaves to grow and pick the cotton.

explanation:

before eli whitney's invention of the cotton gin, picking and cleaning cotton was a slow, labor-intensive job. workers, usually slaves, had to pick the seeds from the cotton fibers by hand. this invention made it possible to grow large amounts of cotton on big farms and make money.