The objective of the Congress was to provide a long-term peace plan for Europe by settling critical issues arising from the French Revolutionary Wars and the Napoleonic Wars.
The goal was not simply to restore old boundaries but to resize the
main powers so they could balance each other and remain at peace.
The Organisation of the Petroleum Exporting Countries is an intergovernmental organisation of 15 nations, founded in 1960 in Baghdad by the first five members, and headquartered since 1965 in Vienna, Austria.
The type of economic institution works to provide services to a community and does not pay taxes will be non-profits. These include the Red Cross or churches, which provide for the community, but is tax-exempt.
hope this helps
Serbia and greece
..................................