Jomo Kenyatta Licensing Act of 1967 prohibited non-citizens from involvement in the rice, sugar, and maize trade. During the 1970s, this expanded to cover the trade in soap, cement, and textiles. Many Asians who had retained British citizenship were affected by these measures. Between late 1967 and early 1968, growing numbers of Kenyan Asians migrated to Britain; in February 1968 large numbers migrated quickly before a legal change revoked their right to do so. Kenyatta was not sympathetic to those leaving: "Kenya's identity as an African country is not going to be altered by the whims and malaises of groups of uncommitted
Jomo Kenyatta Robeck became the District Officer, after which Kenyatta and the other inmates were treated more leniently. In April 1954, they had been joined by a captured Mau Mau commander, Waruhiu Itote; Kenyatta befriended him, and gave him English lessons. By 1957, the inmates had formed into two rival cliques, with Kenyatta and Itote on one side and the other KAU members—now calling themselves the "National Democratic Party"—on the other. In one incident, one of his rivals made an unsuccessful attempt to stab Kenyatta at breakfast. Kenyatta's health had deteriorated in prison; manacles had caused problems for his feet and he