Complex sentence: It is unlikely that the British expected a long-term occupation from the outset, however Lord Cromer, Britain's Chief Representative in Egypt at the time, viewed Egypt's financial reforms as part of a long-term objective.
Split into simpler sentences: It is unlikely that the British expected a long-term occupation from the outset. However, Lord Cromer, Britain's Chief Representative in Egypt at the time, viewed Egypt's financial reforms as part of a long-term objective.