“And Balak saw .…” (Bamidbar, 22:1) This Parsha is written in the Torah because “He showed His people the power of His actions to give them the inheritance of the nations” (Tehilim, 111:6). Here God showed Moshe in a prophetic message what Balak was thinking and how he feared Israel. Also concerning Rachav (Joshua, Ch. 2), when Israel saw that fear of them had spread over the nations, they then understood that God is giving them the land as an inheritance.
וַיַּרְא בָּלָק. הִנֵּה הָעִנְיָן שֶׁנִּכְתַּב פָּרָשָׁה הַזֹּאת בַּתּוֹרָה, מֵחֲמַת "כֹּחַ מַעֲשָׂיו הִגִּיד לְעַמּוֹ לָתֵת לָהֶם נַחֲלַת גּוֹיִם", כִּי בְּכָאן הֶרְאָה הַש"י לְמֹשֶׁה בִּנְבוּאָה מַה שֶּׁבָּלָק חוֹשֵׁב וְאֵיךְ הוּא יָרֵא מִיִּשְׂרָאֵל, וְכֵן גַּבֵּי רָחָב כַּאֲשֶׁר רָאוּ כִּי נָפַל פַּחְדָּם עַל הָאוּמּוֹת הֵבִינוּ כִּי הַש"י יַנְחִיל לָהֶם אֶת הָאָרֶץ.
“And Balak saw .…” (Bamidbar, 22:1)
This Parsha is written in the Torah because “He showed His people the power of His actions to give them the inheritance of the nations” (Tehilim, 111:6). Here God showed Moshe in a prophetic message what Balak was thinking and how he feared Israel. Also concerning Rachav (Joshua, Ch. 2), when Israel saw that fear of them had spread over the nations, they then understood that God is giving them the land as an inheritance.