Sarawak and Sabah should only vote East Malaysian parties to ensure that the Peninsular coalitions (which likely will not dominate Peninsular Malaysia alone until a viable 3rd forces arises) Pakatan and BN toe the line. Use the below 3 items as a template :
1) Freedom from Apartheid/Fascism
2) Freedom from Religious-Persecution/Religious-Supremacy.
3) Equality for all ethnicities and faiths in all aspects of policy, Law and Constitution.