No one citizen would be able to possess more than 500 iugera of public land (ager publicus) that was acquired during wars. Any excess land would be confiscated to the state and redistributed to the poor and homeless in small plots of about 30 iugera per family.

The answer is "Tiberius Gracchus agrarian reform"

Explanation:

The Lex Sempronia Agraria law suggested by Tiberius Gracchus. This law might rearrange the power of the comer speed of the fluid or even the state, indicating land annexed in original state battles. They attempt to legislate besides agricultural restructuring as well as his early death by both the Senator, and immediately continues to move for a rural transformation plan, in specific by citing Sextian-Licinian law, 240 years old, restrict the amount of land a single person would still own.

it can be observed without changing the identity of the object.

it depends on what substance you're talking about as well as many other factors. in quantum mechanics, the observation of particles affects the observers ability to measure certain properties. for example: you can know the velocity of a particle, but you can't know it's position; or you can know it's position, but not it's velocity. it's like trying to find out where a grain of sand is by throwing other grains of sand at it. once you find out where it is, it's been moved. it's also like trying to find an answer to the question of whether or not a tree falling in a forest makes a sound if nobody is there to hear it. paradoxically, the only way to find out is to be there and hear it.

the answer your looking for is c).