Complex sentence: He was first elected into the Knesset in 1969 for Galah (a merger of Herut and the Liberal Party), and after the 1977 elections became a deputy minister in Menachem Begin's government.
Split into simpler sentences: He was first elected a Knesset member in 1969 as a member of Gahal, a merger of Herut and the Liberal Party. Following the 1977 elections he became a deputy minister in Menachem Begin's government.