Napalm was used as a tactical weapon, often a jet would make a pass with regular HE (in today's jargon: steel bombs or iron bombs; but in the war GI's called the bombs, "HE" for High Explosive), then a pass with naplam, then a pass with rockets and or cannon fire (probably 20mm). River Monitors of the US Navy's Riverine Forces also used flame throwing type weapons as they traversed up and down the rivers. This, in conjunction with their 40mm cannon in the Monitor's forward turret.
the bombing of pearl harbor.
Napalm or jellied gasoline firebombs.
Regular High Explosive aerial bombs cleared jungle better than anything else, of course they usually left a good sized bomb crater there too. But, for 40 yards surrounding that crater, it would be open ground (all dirt)...no vegetation. Napalm was used as a tactical weapon when dropped from US jet aircraft, in conjunction with rockets and cannon fire. US Navy River Monitors also used flame throwing devices, again, in conjunction with the Monitor's forword turret, which housed a 40mm cannon.
They use the slash and burn technique to clear the jungle for their shifting cultivation method of farming.The men perform rituals that require the wearing of monkey masks.
Firebombs were incendiary bombs used in warfare to create fires and cause damage to buildings and infrastructure. The amount of damage they could inflict varied depending on factors such as the size of the bomb, the materials in the target building, and the effectiveness of firefighting efforts.
Do the "Steal a Tanker Truck" mission in soldier jobs.
You need to be more specific as it has changed over time. One example is during the Vietnam War, the government used Agent Orange as a defoliant.
Firebombs are dropped occasionally when you do the Soldier class job 'Steal A Tanker Truck'
I was on a adventurous trip in the jungle.
You have to loot them from the 'Steal a Tanker Truck' job under the Soldier job tier in New York.
They where a limited time item so the only way to get them now would be by buying a crate which it may or may not be in.
You can receive Firebombs by doing the job, "Steal a Tanker Truck" in the NYC Soldier Tier.