1.   But the new invaders want to explode our empire.

2.   But some observers fear the virus is a new invader, perhaps imported by aquaculture facilities that raise salmon in pens on the coast.

3.   Some confusion could arise between kudzu and the new invader, since kudzu has also sometimes been called mile-a-minute weed.

4.   Then there are steps you can take to keep new invaders out.

5.   Now, new invaders are arriving, armed with money instead of muskets.

6.   Now, new invaders are arriving.