The confrontation was an undeclared war Hostile_encounter with most of the action occurring Coming_to_be in the border area between Indonesia and East Malaysia on the island of Borneo ( known as Kalimantan in Indonesia ) .

upon returning Arriving to albania after securing ferdinand , the venetians became Becoming hostile to skanderbeg and a sort of undeclared war took place Process_start .

The war was called Statement `` quasi '' because it was undeclared .

The Quasi-War ( ) was an undeclared war fought Hostile_encounter almost entirely at sea between the United States and France from 1798 to 1800 , which broke out Process_start during the beginning Process_start of John Adams 's presidency .

In neighboring Honduras , the hurricane Catastrophe struck Attack after the undeclared Football War Military_operation , causing Causation additional damage Damaging in the northern portions of the country .

As the war progressed Cause_change_of_position_on_a_scale , Armenia and Azerbaijan , both former Soviet Republics , entangled Participation themselves in protracted Change_event_time , undeclared mountain warfare Hostile_encounter in the mountainous heights of Karabakh as Azerbaijan attempted to curb Hindering the secessionist movement in Nagorno-Karabakh .

War Military_operation between Britain and the Batavian Republic began Process_start , undeclared , in the spring of 1795 after the Admiralty ordered Request British warships to intercept Attack Batavian shipping following the conquest Conquering of the Dutch Republic by the French Republic in January 1795 .

Brazil declined Agree_or_refuse_to_act to acknowledge a formal state of war , and for most of its duration , the Uruguayan–Brazilian armed conflict was an undeclared war .

The expedition Self_motion was the largest engagement of the undeclared Anglo-Spanish War ( 1585–1604 ) .