Depending on who you ask, Israel or Gaza can be responsible.
Gazan Perspective: It's Israel's Fault
Israel broke the peace treaty and subsequently launched operation 'Cast Lead' a massive military offensive against a civilian population. It banned foreign press from entering Gaza. It used white phosphorus (a chemical weapon) on UN sanctioned hospitals and schools (a war crime). Within 23 days the death toll had reached 1,284 Palestinians dead, 6 IDF by enemy fire and 3 IDF by friendly fire. When the operation had finished Israel had claimed more land from the Gaza strip in the name of security zones for their protection.
Israeli Perspective: It's Hamas' Fault
Hamas failed to control both its own militants and those of the group Islamic Jihad to abide by the terms of the hudna (ceasefire) that they had negotiated with Israel and did not seem interested in renegotiating. They fired large volleys of rockets repeatedly into Israeli territory. After growing Israeli resentment over the attacks, the Israeli government saw fit to use a military incursion to stop the rocket bombardments.
Israel (specifically the IDF) and Palestine (specifically the Hamas Militants) were the parties involved in the Gaza War or Operation Cast Lead.
There is currently no war in progress involving Israel and the inhabitants of Gaza.
America is not in any way involved in the Gaza Strip Crisis. The only tangential involvement is that America supports the State of Israel and trades military hardware with them. The United States was diplomatically, militarily, and economically absent from the Gaza Strip and Operation Cast Lead.
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The war in question (the Gaza War of 2008-2009) began on December 27, 2008.
War of independence, 1948-49. Israel repels invaders to gain independence. 6-day war, 1967. Israel successfully defeats Egypt, Syria, Lebanon & Jordan to regain control of East Jerusalem. Gaza war, 2005. Israel withdraws from Gaza in response to heavy rocket attacks. 2ns Gaza war, 2008. 1100 Gaza residents killed in response to continues rocket attacks from Hamas.
The usual in Israel; Judaism trying to survive, and Islam complaining when Israel doesn't feed the Gaza Strip (they were firing rockets into Israel from the Gaza Strip).
There is no war between Gaza and Israel.
The Australian Navy is not involved in the fighting in the Gaza Strip when it happens.
There is currently no war in progress involving Israel and the inhabitants of Gaza.
The war took place all across the Gaza Strip in cities like Gaza, Beit Hanun, and Khan Yunis.
'Gaza' and 'West Bank' are two different, unconnected places. There is no war in either place at the present time, and the phrase "Gaza war of west bank" is really quite meaningless.
Yes, Hamas is the democratically elected government of Gaza. So it's like the Democratic Party in the USA.
The war on Gaza started on December 27, 2008.
Yes. If you are referring to the war of 1967, the Gaza strip was occupied from Egypt by Israel that year.
they got into war
America is not in any way involved in the Gaza Strip Crisis. The only tangential involvement is that America supports the State of Israel and trades military hardware with them. The United States was diplomatically, militarily, and economically absent from the Gaza Strip and Operation Cast Lead.
Israel and Gaza are in a de jure state of war since neither party has recognized a formal peace treaty with the other. However, there are no overt Israeli military operations still going on in Gaza.