The elections in Israel go beyond the competition for the prime ministership to a deep conflict in which the shape of the right and the left has changed since the Likud came to power in 1977. What has changed in half a century?

The elections in Israel go beyond the competition for the prime ministership to a deep conflict in which the shape of the right and the left has changed since the Likud came to power in 1977. What has changed in half a century?