2. Why were tanks developed for use on the battlefield? The technology for tanks was developed so that larger guns could be fired at enemy soldiers without the need for reinforcements.
Tanks were developed to carry large number of soldiers quickly to battlefields that were constantly changing locations.
Tanks were needed along the frontline trenches of World War I because it had become Impossible for either side to advance.
French engineers developed the tank as a way to protect soldiers of World War II from direct enemy attack.

answer: in october 1962, an american u-2 spy plane secretly photographed nuclear missile sites being built by the soviet union on the island of cuba. president kennedy did not want the soviet union and cuba to know that he had discovered the missiles. he met in secret with his advisors for several days to discuss the problem.

explanation:

the  equal rights amendment  (era) states: "equality  of  rights  under the law shall not be denied or abridged by the united states or by any state on account of sex." congress first introduced the era in 1923, but the campaign for ratification took off in the 1960s during the  civil rightsmovement.

during the hitler era and it caused them to declare war on germany

the russian revolution of 1917 involved the collapse of an empire under tsar nicholas ii and the rise of marxian socialism under lenin and his bolsheviks.