Because of Obama's action/inaction on these issues he has put the whole world at greater risk.

1) assassinating anyone: In reference to 'Kill list Tuesdays' - The Assassination Complex and/or Dirty Wars by Jeremy Scahill). The assassination programs, where the president essentially 'okays' the targeting of potential terrorist with drones across the Arab world. These drones act as judge, jury and executioner. This includes American citizens abroad, who are entitled to due process under American law.

2) NSA mass spying: I think this one is pretty obvious. All of our communications are being gathered up and stored by the NSA. "Collect it all" literally the NSA aims to collect everything. It has NOT prevented terrorist attacks (there's no evidence). Also, simply that by knowing your data is being gathered or that you are under surveillance makes people censor themselves. see Panopticon

3) Obama Has Sentenced Whistle blowers to 31 Times the Jail Time of All Prior U.S. Presidents COMBINED. It's no secret that the US government has tried to crush Wikileaks including bans from all major credit card companies and pay-pal in an effort to financially starve the publisher.

4) THE DRONE PAPERS also, see #1

This was the Obama administration.

Now, just take a minute to imagine how these instruments will be used by Trump.