Margarine and butter are examples of substitutes.
Answer:
Feudal aid is the legal term for one of the financial duties required of a feudal tenant or vassal to his lord. Variations on the feudal aid were collected in England, France, Germany and Italy during the Middle Ages, although the exact circumstances varied.
Explanation:
Took over land resulting in the society stretching 2500 miles along the Andes. (I'm not sure it's completely right).
Nonviolent resistance is the answer
the 1848 Seneca Falls Convention
