No one! Look at Nixon, Clinton, and Andrew Johnson...impeachment charges or the risk of impeachment these individuals faced while in the White House.
The act of directing, ordering, or controlling by virtue of explicit statutory, regulatory, or delegated authority at the field level is referred to as "command," since this can be exercised at a variety of different power levels.
Answer: tear gas
Explanation:
Tear gas was part of the chemical warfare in WWI. It was used not to kill, but to to make the enemy unable to defend it position.
The collapse of the Roman empire and it emerged to the age of discovery and renaissance. The three middle ages were modern period medieval period and classical antiquity movement of people, counter-urbanization, and population decline had begun in late antiquity which continued to early middle ages.
The large-scale movement of people of migration period which included Germanic people they formed new kingdoms with the remains of the western Roman empire