We are raising money for a worthy cause

What do worthy cause mean in this sentence?

The establishment of columbia as the state capital was important because a) it was located in the heart of the upcountry. b) it was located in the heart of the low-country. c) it was already established as a vital industrial center. d) it represented a compromise location central to most citizens.

Define what the expropriation without compensation's and what does the freedom charter says about it

What is significant about official languages in russian republics? why would it matter?