The last nations prophesied against are Judah and Israel, with the harshest words for Israel. Both have rejected God's teaching; however, the wrongdoings in Israel seem to be far worse than those of Judah, touching on issues of sexual morality, greed, and authority. In some ways, it seems that Judah and Israel will receive harsher punishment from God because they had received God's teaching directly (and should have known better).
[links to Bible Gateway open in a new window]Reading the Bible in Its Entirety
If you are planning to read the Bible in its entirety, you should read Amos 1-2 today.