When we invade neighbors who pose no threat I'll let you know.
What about the American Indian and the Mexicans? What about the Syrians, Lebanese, Iraqis, Afghanis and Russians? Which one of these poses a threat to us?
What about the United Kingdom (1775 – 1783 and 1812 – 1815), Canada (1812 – 1815), Algeria (1815), Mexico (1836, 1842, 1844, 1846-1848), Japan (1853-1854), Korea (1871 and 1950-1953), Philippines (1898 and 1899-1902), Cuba (1898), Spain (1898), Vietnam (1964-1973), Cambodia (1969-1973), Iraq (1991, and 2003-present), Kuwait (1991), Oman (1991), Afghanistan (1998 and 2001-present), French Guiana (1798-1800) Mexico (1818-1819), Cuba (1822-1825 and 1917-1922), Greece (1827, 2014), Indonesia (1832, 1838-1839), Argentina (1833, 1852-1853, 1890)Peru (1835-1836), Uruguay (1855, 1859), Nicaragua (1854, 1857, 1896, 1898, 1912 – 1925), Panama (1856, 1865, 1988-1989), Lebanon (1858, 1982-1983) Venezuela (1873,1895, 1902), Angola (1860), Puerto Rico (1898), Dominican Republic (1903-1904, 1965), Ethiopia (1993-1994), Syria (1903, 2017), Honduras (1911, 1983-1989), Haiti (1914, 1993-1996), Russia (1918-1922), Croatia (1919), Guatemala (1920), Germany (1948), Taiwan (1950-1955), Thailand (1952), Egypt (1956), Laos (1962-1975), Democratic Republic of Congo (1964), Iran (1980, 1920), El Salvador (1981), Chad (1983), Bolivia (1986), Saudi Arabia (1990), Liberia (1990, 2003), Sierra Leone (1992), Sudan (1992-1993) Macedonia (1993-1994), Bosnia and Herzegovina (1993-1999), Burundi (1994), Albania (1996-1998), Gabon (1997), Republic of Congo (1997), Sudan (1998), Kenya (1998), Tanzania (1998), Serbia (1999-2000), Kosovo (1991-2001), South Sudan (2001), Mauritania (2003), Senegal (2003), Eritrea (2004-2006), Central African Republic (2011), Uganda (2011), Yemen (2012, 2016), Jordan (2013), Niger (2013), Poland (2014), Ukraine (2015), Lithuania (2015), and Cameroon (2015)?
Which one of these was actually a THREAT to us when we invaded them or enlisted hostile activities against them?