opened up whole new geographic regions to the Baháʼís, ʻAbdu'l-Bahá encouraging Baháʼís to connect with the peoples of all races and cultures. One of his greatest legacies to the development of the Baháʼí administrative system, however, was his will and testament, wherein he describes several new institutions. Clarifying Baháʼu'lláh's comments about his descendants and authority, he described the Institution of the Guardianship, which he saw as functioning in concert with the Universal House of Justice – one bearing responsibility for interpretation of scripture, the other as legislator of new law not covered by existing scripture. To these he commanded the obedience of the Baháʼís. "The sacred and youthful branch, the Guardian of the Cause of God, as well as the Universal House of Justice to be universally elected and established, are both under the care and protection of the Abhá Beauty, under the shelter and unerring guidance of the Exalted One (may my life be offered up for them both). Whatsoever they decide is of God. Whoso obeyeth him not, neither obeyeth them, hath not obeyed God; whoso rebelleth against him and against them hath rebelled against God; whoso opposeth him hath opposed God; whoso contendeth with them hath contended with God; whoso disputeth with him hath disputed with God" In this document, ʻAbdu'l-Bahá also: appointed his grandson Shoghi Effendi as the Guardian of the Cause of God established criteria for the appointment of future Guardians. defined a new scope of elected institution he called the "Secondary House of Justice", the first of which were elected under the administration of Shoghi Effendi. enjoined the believers to shun Covenant-breakers – Baháʼís who opposed the head of the faith and attempted to create a split or faction. defined some of the conditions for the future development of the Baháʼí administration. clarified the institution of the Hands of the Cause, and clarified the requirements for their appointment. Shoghi Effendi's administration Under Shoghi Effendi, the Baháʼí Faith underwent its most dramatic shift in shape and process. While evolving from the skeletal structure established by Baháʼu'lláh and ʻAbdu'l-Bahá, Shoghi Effendi instituted large-scale campaigns of administrative consolidation, established practices and procedures for Baháʼí administrative bodies, appointed more Hands of the Cause, secured the legal position of the Baháʼí Community both in Haifa, but also, working with newly formed National Spiritual Assemblies, with many national governments. Over this period, Baháʼí institutions and inter-institutional collaboration became clearer, many