Complex sentence: In 1961, the Congress approved the Foreign Assistance Act of 1961 with President Kennedy's support, which retained the 1959 policy of international development as an independent U.S. objective and added an emphasis on the need for long-term efforts.
Split into simpler sentences: In 1961, the Congress approved the Foreign Assistance Act of 1961 with President Kennedy's support. The Act retained the 1959 policy of international development as an independent U.S. objective and added an emphasis on the need for long-term efforts.