make a stand

make a stand on sth
take a stand on sth
(have a strong opinion about something and not change it) — стать на какую-л. точку зрения по поводу чего-л., занять твердую, четкую позицию по поводу какого-л. вопроса; твердо стоять на своем; отстаивать свою позицию или точку зрения

Exampleы: Politicians have to take a stand on important topics.
You should always take a stand on what you believe in.

make / take a stand for sb / sth () — выступить в защиту, встать на защиту кого-л. или чего-л.

Example: Julia Masser, 24, is making a stand for her beliefs. She has spent two years living in a giant redwood tree in Northern California, 60 metres above the ground. ‘I’m trying to save this tree,’ she says. Example:

take / make a stand against sb / sth — занимать позицию, выражать мнение против чего-л.

Example: The Prime Minister must take a firm stand against extremists in his party.

Related vocabulary:
[stand up for sb]
stand up and be counted
have the courage of your/its convictions