In order to create structure within the executive branch of the federal government, President Washington refused to appoint people who belonged to a political party.
O made his department smaller and more manageable.
appointed a group of close advisors as his cabinet.
O split the government into three divisions.

the use of email to replace slower surface mail.

the causes of the dust bowls were severe droughts,   lands became dry and hard, temperature was higher than usual, hot and dry conditions killed crops, high winds. because of those factors, the winds kicked up dry soil and created clouds of dust.

the answer should be a. the sui empire, the tang empire extended from korea in the west to manchuria in the east.