You can find information out about Hamas on several news media sights. There have been several stories about them. You also can find information on Hamas from your local libraries.
how long has deforestation been around
As long as guns have been around.
the Jordan river is in the hamas
how long has the london eye been around for
As long as So Random has been around.
Hamas of Iraq was created in 2007.
Hamas Arc was created in 1993.
Hamas Covenant was created in 1987.
Control of the Gaza Strip was never "allowed back" to Hamas. Hamas militants fought the Palestinian Authority for control of the Gaza Strip in 2007 in what has been termed the Palestinian Civil War of 2007. It was during this period the Hamas took control of Gaza. However, no government anywhere in the world has recognized the legitimacy of the Hamas regime (even though several, like Qatar, look favorably on the organization).
They have always been around
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