Answer:
By notching a stick, knotting a string, weaving a pattern, or carving or painting images in rock
Explanation:
By 20,000 BC, primitive cultures had developed methods of storing information mechanically. By notching a stick, knotting a string, weaving a pattern, or carving or painting images in rock, information could be stored by one person for transmission to others or recall at some later time.
Decade of long depression
Answer:
The capitalist economic model relies on free market conditions for the creation of wealth. The production of goods and services is based on supply and demand in the general market.
Answer: Nixon and Soviet General Secretary Leonid Brezhnev signed the ABM Treaty and interim SALT agreement on May 26, 1972, in Moscow. For the first time during the Cold War, the United States and Soviet Union had agreed to limit the number of nuclear missiles in their arsenals.
