The theory that minute, discrete, finite, and indivisible elements are the ultimate constituents of all matter.

Atomism

Explanation:

In a strict sense, atomism states that atoms are qualitatively identical, combinable only by juxtaposition, and indivisible. however, some forms of atomism are less strict on these features. Nuclear reactions show atoms that are no longer viewed as indivisible because more fundamental particles emerge in the explanations of nuclear reactions.

this is a pretty broad question and can be a pretty lengthy answer. since 1900, women have gained a lot more rights and have become active in the workforce. with women being in the workforce, men play a larger role in family life. many family tasks are shared between men and women, whereas, women used to be the sole family caretakers.

that should get you started at least.

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