The correct answer is - cutting plants and setting fires to fertilize farmland for crops.
The slash-and-burn agriculture is a type of agriculture that sets the basis for farming by cutting down plants and trees in a forested area, and after that set it on fire so that the ashes fertilize the soil. this method is used in the subsistence farming, and one piece of land is usually used for only few years before the soil gets degraded.
The Irish and IRA conflict many there are Irish rebels in Ireland who believe Ireland should have Northern Ireland and the results from the past conflicts for Irish independence and conflict between Irish and English people Although racially they are the same.
Even though technological innovation system might create large amount of capital during earlier stage, it can drastically cut down operational cost in the long run.