What invention improved life for farmers during the Han dynasty? Farmers used wheelbarrows to move loads.
Farmers used looms to create silk products.
Farmers used crossbows to hunt for food.
Farmers used swords to protect their crops.

The transcontinental railroad provided a means of fast transportation. it cut a 6 month trip into 6 days, created jobs for many people and encouraged immigration. the homestead act played a huge role in western expansion; it allowed settlers to begin a fresh start, and gave them land in exchange for their residence for up to five years and a small fee.