Here is a list of free website submission sites that can potentially offer US traffic and assist with ranking:
Google Search Console: Submitting your website to Google Search Console allows you to monitor its presence in Google search results, submit sitemaps, and identify any indexing issues.
Bing Webmaster Tools: Similar to Google Search Console, Bing Webmaster Tools enables you to submit your website to the Bing search engine and gain insights into its performance.
Yandex Webmaster: Yandex is a popular search engine in Russia. Submitting your website to Yandex Webmaster allows it to be indexed by Yandex's search engine and potentially attract Russian traffic.
Baidu Webmaster Tools: Baidu is the leading search engine in China. By submitting your website to Baidu Webmaster Tools, you can make it visible to Baidu's users and potentially attract Chinese traffic.
FreeWebSubmission.com: FreeWebSubmission.com provides a free website submission service to multiple search engines, directories, and classified ad sites, potentially increasing your website's visibility.
SoMuch.com: SoMuch.com offers free website submissions to search engines, directories, and online advertising platforms. It aims to drive traffic and increase visibility for submitted websites.
Entireweb: Entireweb is a search engine that offers a free website submission service. By submitting your website, you can potentially increase its visibility in Entireweb's search results.
ExactSeek: ExactSeek is a web directory and search engine. Submitting your website to ExactSeek allows it to be included in their directory and potentially attract targeted traffic.
SonicRun.com: SonicRun.com offers a free website submission service to multiple search engines, directories, and social bookmarking sites. It aims to increase website visibility and attract traffic.
Anoox: Anoox is a community-powered search engine and social network. Submitting your website to Anoox allows it to be indexed by their search engine and potentially gain exposure to their user base.
Please note that while these submission sites can help increase your website's visibility and potentially attract traffic, the actual impact on your ranking will depend on various factors such as the quality of your content, search engine algorithms, and other SEO practices.