From the Introduction: "Strong relations between the United States and Israel have led to bilateral cooperation in many areas. Matters of particular significance include the following:  Israel's own capabilities for addressing threats, and its cooperation with the United States.  Shared U.S.-Israel concerns about Iran's nuclear program and regional influence, including with Iran's Lebanon-based ally Hezbollah. Israel has reportedly engaged in airstrikes against Iranian or Iran-allied targets in Syria and Iraq.  Israeli-Palestinian issues and U.S. policy, including the Trump Administration's actions on political and economic matters to date.  Israeli domestic political issues, including the uncertainty surrounding efforts to form a government following elections held on September 17, 2019. The process may extend into November, or another round of elections could occur if neither Kahol Lavan leader Benny Gantz nor Prime Minister Binyamin Netanyahu succeeds in attracting majority support from the Knesset (Israel's parliament)."
CRS Report for Congress, R44245
Congressional Research Service: https://crsreports.congress.gov/