How was technology different in the north than in the south?

What initiatives were taken by americans to benefit the war effort? 1. americans planted home gardens to ration food for the troops. 2.american charities were established to provide aid to factory workers. 3.american companies joined together to make products more cheaply. 4.americans created clubs for promoting weapons to be used in the war.

Me i really need which of these was an accomplishment of the han dynasty? the invention of the seismograph finding a water passage to europe the invention of the ballpoint pen the invention of the abacus

In a low-income household in the developed world, more than 30% of a woman's income typically goes toward a. transportation costs b. child care c. clothing and incidentals d. the repayment of educational loans