Question needs more context. Which countries and what time period
The countries went to war because they all had alliances and had no choice. The Alliances were made for protection, and if one country needed help the other country had to fight with them.
Many countries have alliances with each other.
Romania is a member of European Union (EU) and NATO. Some Romanians feel that there are no real advantages to these alliances and are suspicious that the alliances will subordinate their country. However, the majority of the Romanian people see these alliances as a path to prosperity for Romania, even if the path seems slow. Many Romanian people have travelled to work in the other countries of the EU.
For people to help defend themselves, several countries joined alliances.
Forming alliances can increase the likelihood of war by creating a network of obligations and expectations among nations, which can lead to entanglements in conflicts. When one nation is attacked, its allies may feel compelled to respond militarily, escalating a localized conflict into a broader war. Additionally, alliances can foster an environment of mistrust and competition, as countries may feel threatened by the collective strength of opposing alliances. Thus, rather than deterring war, alliances can inadvertently encourage and magnify conflicts.
All of these answers are good ones. Alliances are made for support.
no egypt does not have any alliances with other counties.
There were tons of alliances made that caused ww1. Alliances made countries stronger.
Isolationism is avoiding alliances with other countries
because they want to
The countries of Latin America.
When George Washington was President he did not want any long-term alliances with other countries not just European.