Both countries were involved in a system if alliances.
The Anti-Federalists’ main objection to ratifying the Constitution was that it would place too much power in the hands of the federal government over the individual states. This is why they insisted on a "Bill of Rights" to be added to the Constitution to protect individual liberty.
One of the tactics that Filipino insurgents used to undermine American power was "guerrilla warfare" mostly due to the fact that the Filipinos knew the land and territory far better than the Americans.
Communist countries. So countries like Russia, North Korea etc
a method that brings water to crops is pipes