Yes
yes it does
It's in the EU, UN and Council of Europe and it attends G20 meetings.
The International Organization that is Poland is International Government Organisation (IGOs). Example; World Trade Organization.
yes it is
Of course. Greenpeace and the WWF, International Amnesty, OCDE, Interpol, are some of them, among many others.
Yes.
yes of course
International organizations are organizations made up of any two or more states working for a common interest. Regional organizations are the same thing however these constitute nation states that are in the same geographical region.
Romania is a member of dozens of international organizations.See the link bellow, chapter International Organization Participation for some organizations.
Yes, Brazil is a member of several regional organizations, including the Union of South American Nations (UNASUR), the Southern Common Market (MERCOSUR), and the Community of Latin American and Caribbean States (CELAC). These organizations promote cooperation and integration among countries in South America and Latin America.
Yes, Japan belongs to various international organizations, including the United Nations (UN), G7, G20, World Trade Organization (WTO), and Asia-Pacific Economic Cooperation (APEC). Japan actively participates in these organizations to engage in global cooperation on various issues such as peace and security, trade, and economic development.
Italy belongs to the European Union as well as the North Atlantic Treaty Organization. It is also a member of G8, an organization of leading industrialized economies.