2. Steel Plow /Barbed Wire / Reaper the ceortance of the event to Western Expansion Howchange the country? at least one positive and one negative) How it affect people ? ( list at least one positive and one negative ) What is the significance today ? Do we still use it? H_{2} it been updated ? I need help

"a shortage of traditional labor created new opportunities in the workplace. a major cause of the internment of japanese americans during world war ii was. racial prejudice. in the early 1940's, the "destroyers-for-military-bases deal" with great britain and the lend-lease act were evidence that the united states."

in 1862, president lincoln's emancipation proclamation opened the door for african americans to enlist in the union army. although many had wanted to join the war effort earlier, they were prohibited from enlisting by a federal law dating back to 1792.

explanation:

a sample of water is taken and kept in a beaker in a freezer at a constant temperature of 0°c. if the system is at dynamic equilibrium, which of these statements is true?