Checks and balances is something where each branch has certain limitations so neither branch can become over powered hope this helps and have a wonderful day :)
The development of agriculture led to increased trade as agricultural areas traded surplus crops for other goods. Government officials regulated trade and exchange rates—over time, government's role would expand with trade. Agriculture also led to an increase in cities; this also necessitated more governance. Scribes kept records of how much of each crop was harvested.
The answer is the Party is Democratic Party and the year was 1968.
Disputes and riots occurred in relation to <span>Democratic Party Convention </span>and in 1968.
The Democratic Party<span> is one of the two major existing political parties in the United States.</span>
The main reason why Mikhail Gorbachev had trouble retaining support from hard-line communists was that he was more willing than most to "talk" with the United States in order to move the two countries forward out of hostile ground.