The Oregon Treaty, negotiated between Great Britain and the United States, settled peacefully the question of where British Canada ended and the US-controlled Oregon Territory began.
The appeasement policy is a political strategy, where one country accepts conditions imposed by other countries, thus avoiding a warlike intervention (war), also called "fear of war".
In the second world war, to avoid war with Hitler's Germany, several violations by Hitler were ignored, with the aim of preserving peace at any cost, thus sacrificing Czechoslovakia.
Providing Guides and limits to the government's power.
Re-read the question. Hope I helped :)
They allowed investors to take fewer risk.