Before cans, jars, and freezers. Food was preserve by being salted, being placed in oil, or with vinegar.
To preserve the food
people needed salt to stay alive and to preserve their food people needed salt to stay alive and to preserve their food
We put them in a fridge
They put them in the fridge (Mexico has electricity, you know).
they went hunting
Most people preserve food to slow down the rotting of fruits, vegetables, and meats. Doing this means people waste less food and can have enjoy their fruits and vegetables even in winter.
In 1960 people preserved food by freezing it. Food was also preserved by home canning or pickling methods and storage.
By boat or plane
water can not preserve food it attracts mold
Henry Hudson saw: water, his crew, his son, trees, food, his clothes, dirt, the floor of his boat, his boat, the bed (or hammock) that he slept in, a rowboat, and his death. (Next time be more specific.)
by boat or car
On meat, salt can preserve food.