Question

why was the Battle of the Coral Sea signifigant for to allies in world war 2

Answer 1

Although a tactical victory for the Japanese in terms of ships sunk, the battle would prove to be a strategic victory for the Allies for several reasons. Japanese expansion, seemingly unstoppable until then, had been turned back for the first time. More importantly, the Japanese fleet carriers Shōkaku and Zuikaku—one damaged and the other with a depleted aircraft complement—were unable to participate in the Battle of Midway, which took place the following month, ensuring a rough parity in aircraft between the two adversaries and contributing significantly to the U.S. victory in that battle. The severe losses in carriers at Midway prevented the Japanese from reattempting to invade Port Moresby from the ocean. Two months later, the Allies took advantage of Japan's resulting strategic vulnerability in the South Pacific and launched the Guadalcanal Campaign that, along with the New Guinea Campaign, eventually broke Japanese defenses in the South Pacific and was a significant contributing factor to Japan's ultimate defeat in World War II.

The End of the War:
The Allies established occupation administrations in Austria and Germany. The former would eventually become fully independent and neutral state, non-aligned with any political bloc. The latter was divided onto western and eastern occupation zones controlled by the Western Allies and the USSR, accordingly. A wholesale denazification program was started in Germany immediately after the war ended, leading to prosecution of major Nazi war criminals and removal of many ex-Nazi from power, although this policy would be replaced soon by the policy of broad amnesty and re-integration of ex-Nazi into new West German society.Germany lost part of its eastern territories: Silesia, Neumark and most of Pomerania were transferred to Poland, whereas East Prussia was divided between Poland and the USSR, followed by the transfer of the German population from these provinces, as well as from Czechoslovakia, to Germany. The USSR also annexed part of Polish territory east from the Kurzon line, Eastern Romania, part of eastern Finland and three Baltic states.

In Asia, the United States occupied Japan and administrated Japan's former islands in the Western Pacific, while the Soviets annexed Sakhalin and the Kuril Islands. Korea, formerly under Japanese rule, was divided and occupied by the US in the South and the Soviet Union in the North between 1945 and 1948. Separate republics emerged on both sides of the 38th parallel in 1948, each claiming to be the legitimate Korean sovereign, which led ultimately to the Korean War.

The global economy suffered heavily from the war, although different WWII participants were affected differently. In most of West Europe, recovery was fast, partially due to massive American economic aid: heavily devastated West Germany recovered quickly, and doubled production from its pre-war levels by the 1950s; Japan experienced incredibly rapid economic growth, becoming one of the most powerful economies in the world by the 1980s.

Answer 2

The Battle of the Coral Sea, fought during May 4–8, 1942, was a major naval battle in the Pacific Theater of World War II between the Imperial Japanese Navy and Allied naval and air forces from the United States (U.S.) and Australia. The battle was the first fleet action in which aircraft carriers engaged each other.
-Princeton.edu