What does it mean if "sovereignty of the state is diminished" in terms of international organizations (Examples: United Nations, NATO, etc)

The blue segment below is a diameter of oo. what is the length of the radius of the circle?

What type of aid does nigeria receive? short term, tied, voluntary, bilateral, multilateral or long-term?

What can you learn about precipitation levels in south america from this map? brazil is experiencing a drought.it rains more in higher altitudes.peru received the highest level of rain.venezuela got less than 25 cm of rain.