The correct answer is Caucus. Political party caucuses was the dominant system for choosing candidates in the presidential nominating process. They are open to any registered voter in a party, although experts say the process is dominated by party activists. Caucuses are party meetings by district, or county, where party members gather to discuss the candidates and to select delegates to the next round of party conventions. Delegates selected at a caucus might go on to a county or state convention before attending the national convention in the summer. This process of gathering and talking distinguishes caucuses from primaries.
Before the split in 1054, the Eastern Church and the Western Church view the Pope differently by the Eastern Church recognizes the Pope's full or complete power. The Pope did not want the title as Ecumenical Patriarch and would want the Byzantine emperor to recognize the Pope's power.
It kept people moving, enabling them to share their personal belief systems.
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The question can be rephrased as: which of the concepts listed in options are financial services?
The correct answer is: insurance (answer b).
The other options are media-related not financial. For example, Internet is a service most typically provided by companies that specialize in internet and phone services.
People found life more convenient, as these inventions gave them more opportunities and freedoms.
People became frustrated, as the expense of these inventions put them out of reach of most consumers. People rejected these inventions, preferring to do things as they had been done in the past.