Answer:
The International Court of Justice (ICJ) is the principal judicial organ of the UN. The Court has two functions: To settle, in accordance with international law, legal disputes submitted by States, and. To give advisory opinions on legal questions referred to it by authorized UN organs and specialized agencies.
By process of elimination the answer is D, I know the rest are true.
The tiny invaders being discussed in the article are plants. They are considered invaders because they came from other countries, but are now threatening the native plants. People brought them in because they wanted to make their gardens and yards beautiful because the plants are very rarely found locally.