RULES QUESTIONS

Leagues questions:

Do I have to win the encounters to meet the Aid the Community contract goal?

It was intended yes, however by a strict reading of the text I'd say you don't have to. Returning and letting the town militia know you engaged some ruffians and giving them the location is fine. You can do it either way depending on how challenging you want the game to be.

Does the origin bonus and skill bonus stack?

Yes. For example a Duskling with Traveling skill receives a total bonus of +3.

Note that some items specifically do not stack. This will be clearly stated. 

Parsecs questions:

What is meant by gunsights not being usable on single shot weapons?

It's an unfortunate word choice on my end and is supposed to say "single use" weapons. The confusion gave rise to a joke about hand grenades with laser sights on discord. 

Is there a limit to what I can carry in Bug Hunt?

Not specifically. Unity Grunts are famous for packing as much as they can lug around. 

Expansion 1: What happens if I roll the Sniper! Escalation Option but I am fighting enemies that do not use weapons?

I am not sure if there any enemies this can happen to, but just in case apply the event as written. It happens to be a modified/mutant enemy with an acid spit/psionic death ray/laser eye beams.  

Parsecs and Leagues:

What happens to Seize the Initiative modifiers if a scenario does not allow a roll?

The scenario takes precedent and no roll is made. If the modifier applies to a specific campaign turn (for example meeting the Elfin Scouts in Leagues) the benefit is lost. 

What happens if multiple "end of battle round" events occur at the same time?

Until I can clarify this, resolve them in whatever way is most beneficial to you. If you prefer more of a challenge do it in reverse!

Squad Hammer questions:

Do units given a Defend order get the Defend marker if they move as part of the order?

Yes. The wording is a bit awkward but you move and then receive the status. You then keep it until the unit moves again or is given a new order (which of course could be to Defend again). 

LORE QUESTIONS

Parsecs lore:

Are there corporate run planets?

Yes many colonies are founded by corporations given a charter to do so, typically for resource extraction purposes. In Unified Space they are still under Unity law but are given pretty broad jurisdiction to manage things as they see fit.

Such installations are expected to manage their own defences though they can appeal to Unity for aid in the event of an attack. Unity rules dictate that permanent populations over a certain amount requires the colony revert to Unity administration. As such, corporate colonies are generally fairly specialised. In some cases this can result in "dual rule" where some colonies on a world are corporate and others are not.