i am preaty sure that they used appeasment with there war mates
They wanted to avoid a second World War
The British remembered how terrible WW I was, and they desperately wanted to avoid another such terrible war. They believed, incorrectly, that if they made concessions to Hitler he would be satisfied and would not attack them.
Czechoslovakia was given to Germany to pacify Adolph Hitler. The leaders of France and Britain were trying to avoid another European war.
While nothing "allowed" Hitler to sieze foreign territory, one of the main justifications he used for his actions was his doctrine of Lebensraum (living space). For more detail on this, see the link.
In WW 2, Germany declared war on the US.
Because the British were following a policy of appeasement, or doing anything to avoid war, and the Americans were still in isolation.
They wanted to avoid a second World War
The Nonaggression pact with Germany.
Britain and France tried to avoid war by accepting the demands of Germany through appeasement.
Britain exercised a policy of appeasement with Hitler because initially, his demands were reasonable. The belief was that if appeasement was used, he would eventually become satisfied and stop his aggression. The British Prime Minister, Neville Chamberlain believed that appeasement was the appropriate tactic.
Neville Chamberlain
Neville Chamberlain.
in these acts the british leaders tried to avoid some of the promblems the stamp acts caused.
It's difficult to put an exact date to it, but in the run up to the Munich Conference, British troops and ships were mobilised against Germany before the Agreement was signed to avoid the war. Part of the agreement was an understanding that if Germany touched Poland, then war would be declared. Chamberlain also increased arms spending in preparation for war.
wanted to retain power and avoid German occupation
Neville Chamberlain's policy of appeasement was supported by some members of the British establishment, such as Lord Halifax who believed in diplomatic negotiation with Hitler to avoid war.
The British remembered how terrible WW I was, and they desperately wanted to avoid another such terrible war. They believed, incorrectly, that if they made concessions to Hitler he would be satisfied and would not attack them.