Terracing.
Athenian's used terrecing on hillsides
The Maya cultivated beans, squash, and corn. They built terraces to grow crops on hillsides and drained swamps for farmland.
terracing
By constructing terraces on hillsides and mountain slopes.
Terraces were cut into the hillsides to create farmland and rice paddies.
The Nazca developed an intricate system of underground aqueducts called puquios to source water for irrigation, while the Moche utilized sophisticated irrigation canals fed by rivers like the Moche River. Both civilizations also practiced terracing, a method of creating flat farmland on hillsides to increase arable land.
A unit of farmland is commonly referred to as an acre.
Another name for farmland is arable land. The word arable comes from the Latin 'arabilis', which means land that can be plowed.
They call it "The great plains."
used to be covered with grassland but is now farmland.
by helping their crops
"Flowers" and "hillsides" are the nouns here.