The answer is 1, the 3rd circle
I guess the correct answer is the Enter key
Οn cοmputеr kеybοards, thе еntеr kеy in mοst casеs causеs a cοmmand linе, windοw fοrm, οr dialοg bοx tο οpеratе its dеfault functiοn. This is typically tο finish an "еntry" and bеgin thе dеsirеd prοcеss, and is usually an altеrnativе tο prеssing an ΟK buttοn.
Answer:
Although the primary goal of a political machine is keeping itself in power rather than providing good government, machines have been responsible for restructuring city governments to centralize authority, improving facilities and services, helping to assimilate immigrant groups, and encouraging the growth of business and industry. Supporters of political machines say that they “work” and that consolidating power in the hands of a boss.
Explanation:a political machine is a political group in which an authoritative leader or small group command the support of a corps of supporters and businesses
They began in ancient times the babylons started trading
Application I think because software used to create a program is called application software I'm not entirely sure about that though