Which theory of inflation states that all sectors in the economy try to buy more than the economy can produce, which in turn creates shortages and lost business for merchants.
a. demand-pull theory
C. wage-price spiral
b. cost-push theory
d. economic growth theory

ww1 weapons: tank. tanks were used for the first time in the first world war at the battle of the somme. they were developed to cope with the conditions on the western front. the first tank was called 'little willie' and needed a crew of 3.

a phrase from a poem by ralph waldo emerson about the battle of lexington and concord. emerson's words read, “here once the embattled farmers stood / and fired the shot heard round the world.”