Invasion games are games in which the aim is to invade an opponent's territory and score a goal or point. These are typically fast-paced games that need teamwork in order to control the ball, keep possession, move into a scoring position, and prevent the opposition from scoring.
Invasion games are team games where the purpose is to:
invade the opponent’s territory or zone to score goals or points;
protect your own territory to prevent the opposition from scoring goals or points.
They are played within a certain period of time, with an equal number of players on each team. Invasion games are usually fast-paced, and focus on teamwork, keeping possession, attacking, and defending.
It's A. The subject is concern for the continued existence of the panther (the concern is what the sentence is about), and the phrase 'Because the panther is endangered already' comes before it.
When talking about culture, it is important to begin the discussion with the individual sense of identity and then move to shared webs of meaning because, students find it easier to relate more with the topic if they have personal understanding of how culture operate.