According to Ma Twan-lin, what guided Silk Road travelers through the Gobi Desert?

Which action best represents the policy of appeasement followed by britain and france prior to the start of world war ii? (a)allowing hitler to annex the sudetenland as part of the munich agreement (b)signing the nazi-soviet pact binding hitler and stalin to peaceful relations (c)sending troops to fight with the liberals during the spanish civil war (d)forbidding the sale of arms to any nation at war

Why is it necessary to obey social norms? write briefly.

The judicial system of courts derives its powers from what article of the constitution