Israel has never been alone since the day it became a nation.
… having the backing of America, specifically militarily, has led Israel to “a great success story,” helping it survive wars that broke out in 1948, 1956, 1967 and 1973. Source
The U.S. has given Israel $158 billion since Israel was founded, not adjusting for inflation, according to the Congressional Research Service. That makes Israel one of the biggest recipients of U.S. foreign aid since World War II. Source
Between 2001 and 2020, Israel received more military aid from the US than all other nations combined. Source