Which agricultural inventions prompted the Sung dynasty’s population growth? There is more than one correct answer. Select all that apply.

=New methods for breeding livestock were used.

=New irrigation techniques were used.

=New strains of rice were grown.

=New strains of wheat were grown.
HELP PLEAS

in an effort to stem the tide of refugees attempting to leave east berlin, the communist government of east germany begins building the berlin wall to divide east and west berlin. construction of the wall caused a short-term crisis in u.s.-soviet bloc relations, and the wall itself came to symbolize the cold war.

i would say b probably

it is a bolivia your welcome

all cities have a governor

all cities are in states or provnies then country

all cities have people

difference

some are rich

some are poor

some are average