Complex sentence: This led U.S. Secretary of State Colin Powell to suggest direct talks with Iran in the future, however, he also said that the U.S. was still concerned about other Iranian issues such as the prospect of terrorism and the country's support of Hamas.
Split into simpler sentences: This led U.S. Secretary of State Colin Powell to suggest direct talks in the future. However, he also said that the U.S. was still concerned on other Iranian issues, such as the prospect of terrorism and the country's support of Hamas.