The definition of aid is to help, assist or support in the achievement of something.
The definition of treaty is a formally concluded and ratified agreement between countries.
The definition of alliance is a union of association formed for mutual benefit for mutual benefit, especially between countries or organizations.
The difference between aid and the others (alliance and treaty) is it is helping another country and giving them assistance like food or war weapons, more objects. The difference between alliance and treaty is that an alliance is much stronger. An alliance is when countries would go into war with each other and a treaty is an written agreement.
The definition of treaty is a formally concluded and ratified agreement between countries.
The definition of alliance is a union of association formed for mutual benefit for mutual benefit, especially between countries or organizations.
The difference between aid and the others (alliance and treaty) is it is helping another country and giving them assistance like food or war weapons, more objects. The difference between alliance and treaty is that an alliance is much stronger. An alliance is when countries would go into war with each other and a treaty is an written agreement.