Complex sentence: Early in his rule, Abdullah had made frequent demands from Emir Bashir II to pay tribute in the form of cash, jewelry or horses, to which Bashir II initially complied, but within a short time became either unable or unwilling to make the payments.
Split into simpler sentences: Early in his rule, Abdullah made frequent demands from Emir Bashir II to pay tribute in the form of cash, jewelry or horses, to which Bashir II initially complied. However, within a short time Bashir II became either unable or unwilling to make the payments.